are externally visible sternites. Usually the first sternite is covered up, so that ventrite numbers do not correspond to sternite numbers. The term is...

divide the first and second abdominal/ventral plates which are known as sternites. Also, the notopleural suture (found under the pronotal shield) is not...

Anomura, and is characterized by a flattened and widened carapace, fused sternites, and a bent and flattened pleon. It is hypothesized to offer the selective...

elytron (wing cover), 5: tibia, 6: tarsus, 7: claws, 8: mouthparts, 9: prothorax, 10: mesothorax, 11: metathorax, 12: abdominal sternites, 13: pygidium....

bee mimic syrphids by having unusually wide membranous parts between sternites 2 and 3. With a body length of 6-11 mm, the genus can be differentiated...

used to inseminate the female. In dragonflies, it is a set of modified sternites on the second abdominal segment. In advanced groups of insects, the male...

called dorsal tergites and ventral sternites. Wax is secreted from glands on the abdomen and extruded between the sternites where it resembles flakes of dandruff...

veins. Sternite 9 of the male genitalia has, with few exceptions, two pairs of appendages. Sometimes appendages are also present on sternite 8. The female...

and antennae, head, and palps; along with possession of small abdominal sternites protruding slightly between the coxal plates. They can also be distinguished...

Glomeridesmida which cannot. Defining traits (apomorphies) include divided sternites, a labrum with single median tooth, and an enlarged pygidium on the hind-most...

abdomen, or opisthosoma, is the posterior tagma. The abdominal tergites and sternites are separated by large areas of intersegmental membranes, giving it a...

appearance of having two pairs of legs per segment. It is also common for the sternites, pleurites and tergites to fuse into rigid armour rings. The males produce...

forming a shelf above the head. On the underside of the abdomen only four sternites are visible. There are approximately 72 described species in three genera...

earliest stages. No sternite is preserved on the first segment, although this sternal area may be slightly more sclerotised, with the sternites narrowing towards...

The eyes are hairy with a granular appearance. The first two abdominal sternites are fused, and in only some groups is a suture even visible. Sizes are...

of filaments, short forcipules, nearly circular fields of pores on the sternites, one or two pores on the basal element of each of the ultimate legs, and...

carapace is flatter than it is broad and possesses lateral margins." "The sternites are fused into a wide sternal plastron which possesses a distinct emargination...

sensilia separated midways and with eight sensory pits Proximal arm of ninth sternite lobe-shaped Well-sclerotized and crisply outlined lateral lamina of the...

Cleridae can be identified based on their 5–5–5 tarsal formula, division of sternites, and the absence of a special type of vesicle. Female Cleridae lay between...

segments, each protected by sclerotized plates (called tergites above and sternites below). The abdomen is short and rounded at the rear, rather than extending...

Other key features include red eyes and a bristled abdomen. Abdominal sternites II and III are free and cover the margins of tergites. The posthumeral...

on the upper surface by the tergites and on the lower surface by the sternites. In scorpions, the metasoma is the tail. In other chelicerates, such as...

margin. The sternites of the first leg-bearing segment and the most posterior segments lack fields of pores, but pore fields appear on the sternites of segments...

a series of upper plates known as tergites and lower plates known as sternites, the whole being held together by a tough yet stretchable membrane. In...

fourth sternite (one of the rear segments of the abdomen), while the jaechi and zetteli groups also have these on the sides of the fifth sternite. Males...

other true crabs by the reduction of the thorax, such that only seven sternites are exposed, and only four pairs of pereiopods are present. Not counting...

margin without any tooth or tubercle at the base. The trunk sternites lack pores. The main sternite of the last leg-bearing segment is shaped like a rectangle...

length of the sternites from the fourth to the last there are a number of yellow spots. They do not completely cover the last sixth sternite and only a small...

spinneret Ch: Chelicera L1-4: Coxae of leg 1-4 Lbi: Labium Pp: Coxa of pedipalp Pls: Posterior lateral spinneret St: Prosomal sternite Te: Telson/Flagellum...

Tergites 10 and 11 are not fully developed and segment 18 does not have a sternite. This model deviates from descriptions by Lewis who identified only 7 tergites...

all mantises consists of 10 tergites, with a corresponding set of nine sternites visible in males and seven visible in females. The abdomen tends to be...

armored with matching plates called sternites. The underside of somite 1 has two, covering the genital opening. Sternite 2 forms the basal plate bearing the...

distal teeth that are longer than the proximal teeth. The groove on the sternites is forked at the anterior end, with the two branches forming nearly right...

Termites have a ten-segmented abdomen with two plates, the tergites and the sternites. The tenth abdominal segment has a pair of short cerci. There are ten...

PMID 18088987. Hood, J. Douglas (1958). "The terms tergum and sternum, tergite and sternite". Systematic Zoology. 7 (3): 131–133. doi:10.2307/2411977. JSTOR 2411977...

transversal sutures on stronly chitinised tooth plates. Smooth tergites and sternites, no spiracles on the seventh pedal segment of the pleuron. Scolopocryptops...

Georg Semper in 1896 and it is known from the Philippines. The posterior sternites of the abdomen underside of the males are primrose-yellow and the basal...

and third abdominal segments). Tergosternal fusion, when the tergite and sternite of a segment fuse together, can occur partly or fully on the second, third...

sclerotised connection or pleurite between the abdominal tergites and sternites of certain groups of insects; in such species the pulmonaria bear the...

articles. The sternites of the first leg-bearing segment and the most posterior segments lack fields of pores, but pore fields appear on the sternites of segments...

exoskeleton plates called sclerites, including dorsal tergites, ventral sternites, and lateral pleurites. American cockroaches have three developmental...

which is located in an area of modified cuticle on the rearmost gastral sternite of female wasps. This gland secretes chemicals which are important in the...

7 pairs of limbs articulated with various other plates, including the sternites. Kliver said that Arthropleura could not be an insect, arachnid, or myriapod...

margins of the pronotum, the legs and the posterior part of abdominal sternite. The species is dedicated to Mr. Jin Wang (Chengdu, China), an enthusiastic...

covered by the pronotum and thus not visible from above. The first three sternites are not fused, instead being linked by mobile sutures. Most species possess...

chestnut brown head and 13–14 mm long, with small but numerous leg bristles, sternites bearing three longitudinal furrows, a carpophagus formation from segments...

scorpions. In animals like whip scorpions and whip spiders the first two 'sternites' bearing the book lungs may actually be highly modified opisthosomal limbs...

antennae that may be filiform, moniliform or weakly clubbed First abdominal sternite is entire and not divided by the hind coxae Eyes notched by a frontal ridge...

of the genital flaps, and the female has a deep "bite" on the seventh sternite. It is found in bird nests, and is more likely to be found on the bird's...

shorter than wide and shorter than one-third the length of the head. The sternites of both the forcipular segment and the first leg-bearing segment are wider...

similar but can be distinguished from each other by the shape of their 4th sternite and the length of their antennal scale. Both species resemble U. maori...

the legs; in Dotilla, these windows are also present on the thoracic sternites. A similar system has evolved in parallel in the porcelain crab genus...

comparatively small and nearly rounded. Tergites smooth, without wrinkles. Sternites trapeziform and narrower posteriorly. All legs with fairly long claws...

used to inseminate the female. In dragonflies, it is a set of modified sternites on the second abdominal segment. In advanced groups of insects, the male...

having a symmetrical pattern of light and dark pubescence on all abdominal sternites. The dark pubescence being near the side edges. The dark pubescence may...

large, flap-like exopod. The abdominal somites have fused tergites and sternites forming ring-shaped structures, alongside two pairs of spines derived...

Outwards from the sternites, two oval to trapezoidal plates are preserved (one pair per segment), being similar to the sternites in having a rough texture...

whitish yellow transverse spots, last tergite yellow; sternites brown. - Male. Eyes bare. Sternites II-III-IV yellow medially. The habitat is wetlands,...

dark brown/black, and same with the proboscis. Scutum is a dark grey, sternites with white patches. Wings are black with a small white costa spot. A....

fused) galia and lacinia. The body usually has well-developed tergites and sternites. The spiracles are annular or annular-biforous. There are no epistomal...

G. flavus (115:100), and distinct carpophagus fossae on the anterior sternites. Males of this species have 35 to 41 pairs of legs; females have 37 to...

with irregularly lutescent areas in the first three or four visible sternites. Photuris has its origins in the Greek words for light, "phot", and tail...

Carapace is brown or dark brown, while tergites, legs, ventral surface and sternites are yellowish brown. Some specimens may be blackish brown or almost completely...

from the closely related Pygoluciola in that it as the adeagal sheath sternite evenly expanded along its length. In Pygoluciola the aediagus sheath expands...

colouration: the body is blackish-brown while the legs, antennae and sternites are red. It can be distinguished from other Heterocladosoma by: the largest...

tergite), one at each side (pleurites), and a plate on the underside (sternite) where the legs attach. In many millipedes, such as Merocheta and Juliformia...

example, the anterior sternites in both species feature an unusual medial depression. These pits appear in the first 15 sternites in T. spenceri and in...

lateral spots on the following segments - each narrowing medially. The sternites are marked with lateral spots on segments 2–4. The male differs from the...

middle. The elytra are pale brown and covered in fine punctures. The sternites of the abdomen are completely black. The legs are brown and often have...

have been described. Frons is posterior to the lunulae, shiny black. Sternites have lateral and median black marks. Male femora 3 is black for basal...

anterior cubital and the posterior medial veins. The male has the 9th sternite narrowed at the apex. Cao, Chengquan; Tong, Chao; Chen, Shengzhi; Liu,...

membranes of the abdominal segments and other smaller orange areas on the sternites of the abdomen itself. Females are larger than males, being 90 to 110...

mandibles; these are large in females. It has four visible sternites (ventrites) as well as four sternites that are not visible. Megachile species have three...

secrete it from eight wax-producing mirror glands on the inner sides of the sternites (the ventral shield or plate of each segment of the body) on abdominal...

broadly triangular bases. Sternite II usually has 1 or 2 long discal setae medially, while sternites III-VII lack discal setae. Sternite VII has median setae...

segment are concealed by the metapleura. Abdominal sternite III has paired trichobothria. In males, sternite VIII is exposed, and there is a specialised genital...

Abdominal scent organ small, in form of short process of distal edge of sixth sternite, with extending lateral corners. Comments. Closely related to walkerana...

consistent with other members of Hadogenes. The carapace, pedipalps, chela, sternites, and metasoma are all flattened allowing them to maneuver in and out of...

indistinctly serrated. The sides of the mesothorax bear long bristles. Sternite 8 of the female is without dentate protuberances. Subgenus Cnemoncosis...

appearance. Females in this tribe are unusual in having the last metasomal sternite elongated to form a sheath for the sting, which is remarkably long. Shanks...

Herzegovina. It grows up to 30 millimeters and has 75 leg pairs, as well as sternites unseparated in the median but with a suture line, and sternal pore areas...

were wholly yellow. The forcipules and coxosternite are light brown, the sternites pale green, and the pleurons are bluish black with greenish black integument...

appear on the sternites from the second segment to the penultimate segment. These pore fields are divided into two areas on sternites 15 through 33 but...

Similarly the ventral sclerites of a body segment are referred to as sternites. Separate sclerites on the lateral aspects of body segments, the pleura...

segment has been lost. Further unusual features are that the abdominal sternites are each composed of three sclerites, and they cement themselves to the...

tooth nor a tubercle. The sternites on the anterior trunk segments feature a longitudinal groove down the middle. The sternite on the last leg-bearing segment...

Male D. tolteca have four pale yellow bands on both the tergites and sternites of the gaster and a yellow band on the pronotum. As with the females,...

segments to rings where there is no distinction between tergites and sternites. A pygidium is present in Palpigradi, Amblypygi, Uropygi, Schizomida,...

on the upper surface by the tergites and on the lower surface by the sternites. In other arachnids such as spiders, the mesosoma is fused with the metasoma...

male and female reproductive organs are hidden underneath the last few sternites on the mesosternal (mesosternum) side. The female's structure is modified...

The thorax underside, the legs, the greater part of the first abdominal sternite and the mesial spot on the second and third are creamy. Both wing undersides...

of the ultimate article features a small tubercle. The groove on the sternites is forked at the anterior end with two short branches that form a slightly...

similar Geophilus species), a distinct carpophagus fossae on the anterior sternites, and a distinctive arrangement of the coxal pores of the last leg pair...

millimeters and has 53 leg pairs, 4 sensory setae each on the 2nd-4th front sternites, slightly notched maxillae, and very faint sternal pits on the thorax...

thoracic segment, and in some species it articulates with the edge of the sternite as well. The homologies of the various basal sclerites are open to debate...

tip; mandibles with a single pectinate lamella; second maxillae with coxo-sternite usually undivided and claws without projections; forcipular segment short...

bristles, but no bristles appear on the posterior part. The ridge on the sternites is not forked at the anterior end. The telopodites of the second maxillae...

the ultimate article features only a shallow emergence at the base. The sternites of the leg-bearing segments feature a groove down the middle that is not...

second scutellum, the posterior edges of the first three rings (tergites + sternites) of the abdomen and the entirety of the following ring, this yellow being...

next to the middle piece. The tergites feature two distinct grooves. The sternites feature a sharply defined furrow in the middle that is only indistinctly...

them from the notum, alongside them overlapping the successive lobe. The sternites bear traces of heavy sclerotisation, likely representing coxal cavities...

of tergite 1 and the reddish colour of the basal sternites. This reddish colour on the basal sternites is similar to A. bimaculata but A. trimmerana is...

two fields of pores appear on each sternite from the first to the penultimate leg-bearing segment. The sternites on some of the anterior segments feature...

without a tergopleura. Each tergite is separated by narrow membranes. The sternites are split down the middle by a narrow furrow, with the rest of their surface...

and sternites can be well distinguished from each other, but often there is a differential development, with the tergites overlapping the sternites; the...

males, glandular setae or disculi may be visible along the first abdominal sternite. External genital organs are present on the eighth abdominal segment. Diplurans...

where there are more limbs than tergites. The pre-abdomen also has 11 sternites, each roughly 3 times wider than long. The pre-abdominal limbs match other...

stated in Eisele et al. (2003), tergites 2 and 3, as well as the abdominal sternites, stretch considerably and are bent apart. Chitinous clasps that are built...

groove on the sternites is forked with the branches forming an obtuse angle, but the branches are short, shallow, and faint. The sternite of the last leg-bearing...

Bolivia, Ecuador, Peru and Argentina. There are distinct apical spots on sternites three to five and a pale basal patch. Furthermore, the discal band and...

pseudogallarum. The mites are white, about 0.3 mm long, with numerous tergites and sternites. Two forms of P. avellanae exist, a gall causer and a vagrant form that...

Australian scoliids. The setae of A. soror are entirely black, and the second sternite is non-tuberculate. As the punctation on the pronotum, mesothorax, and...

sex-linked modifications to the legs in adults: In the adult female, a legless sternite (the "platosternite") replaces the third pair of legs, and in the adult...

white to off-white scales covering the head, thorax, elytra, abdominal sternites and legs. The pro-, meso-, and metasternum are covered by dense fine setae...

first article and a small tooth on each of the next two articles. The sternites feature a groove that is forked with a right angle between the branches...

forcipule features a short obtuse tubercle. The longitudinal groove on the sternites is not forked at the anterior end. Bonato, L.; Chagas Junior, A.; Edgecombe...

Dorsal surface is covered with scales. In females, all visible abdominal sternites are covered by scales. There is only one species in the subgenus, with...

two articles and a very short denticle on the ultimate article). The sternites of the leg-bearing segments lack fields of pores, and all pleurites are...

surface but disappear for the last ten sternites. Pores are absent on first sternite, but the second sternite features a small round field of twelve or...

fraterna is a Palearctic hoverfly. A Cheilosia with dark eye hairs, glossed sternites and a low facial prominence The larva is described and figured by Rotheray...

two elongated processes on the anterior margin of the fourth abdominal sternite. Larvae of Hydromya dorsalis are adapted for aquatic life and prey on aquatic...

denser and coarser puncturation on the side margins of the first two sternites. Omophron aequale is divided into 2 subspecies: O. aequale aequale and...

posteriorly extended. This prosternal process is short and pointy. Only 5 sternites can be found on the abdomen. The coxae of the middle legs are very small...

article of the forcipules are stout, blunt, and rounded. The groove on the sternites of the anterior segments is forked at the anterior end, with the branches...

of the forcipule extends to the distal part of the first article. The sternites lack pores but feature a forked groove with conspicuously short branches...

Aphilodontinae, this species features forcipules with only three articles and sternites without ventral pores, and like other species in the genus Aphilodon,...

sternite, then becoming a narrow transverse band in front of the posterior margin of the next sternites, then dividing in the middle of the sternites...

into two families, differentiated by the presence of ventral sacs on sternites IV–VI in Prokoeneniidae, and their absence in Eukoeneniidae. Two fossil...

tooth at the base. The sternites feature a longitudinal furrow that is not distinctly forked at the anterior end. The sternite of the last leg-bearing...

light source. (A, C) Carapace and tergites. (B, D) Coxosternal area and sternites. (Scale bar = 10 mm) Scientific classification Kingdom: Animalia Phylum:...

the body is tube-like, lacking the dorsoventral division (tergite and sternite) seen in most other arthropods. Generalized morphology of a pantopod pycnogonid...

pale. Abdominal tergites are black with straight, creamy basal banding, sternites are pale. Tibiae are mainly dark, femora somewhat mottled, and tarsi basally...

are absent on the last sternite in B. foresti but are absent on the last two sternites in B. braunsi and the last four sternites in B. smaragdus. Bonato...

are generally smaller than females, with longer wings, and a small rear sternite compared to females.[citation needed] E. distanti are found in Trinidad...

second pair. The anterior sternites feature a groove in the posterior surface that is not forked at the anterior end. The sternite of the last leg-bearing...

Europe and North America. Xyloiuloids are more or less cylindrical, with sternites, pleurites, and tergites of each body segment fused into a complete ring...

small rounded tooth. The groove on the sternites is forked with long branches forming obtuse angles. The sternite of the last leg-bearing segment is narrower...

respectively. Cephalothorax and sternites as in generic description, with eight transverse rows of papillae behind eye mound. Sternites as in generic description...

dark chestnut brown to pitchy, with the head, legs and last abdominal sternite testaceous. The antennae are testaceous basally, but pitchy on the last...

Tömösváry's organ moderately smaller. Tergites smooth, without wrinkles. Sternites trapeziform and narrower posteriorly. All legs with fairly long claws...

white to off-white scales covering the head, thorax, elytra, abdominal sternites and legs. The pro-, meso- and metasternum are covered by dense fine setae...

leg-bearing sternite is about as long as wide, with a large setae on each corner, a few small scattered setae, and no carpophagous pit. The anterior sternites feature...

strong bristles; and presternites undivided and so long that successive sternites are separated. Attems, Carl (1947). "Neue Geophilomorpha des Wiener Museums"...

tergites tightly yellow at posterior margin with black villi; rufous sternites; Macrochaetes yellowish. Oviscapte black, apex and sides rufous, with...

one pair behind the other, as well as the outer pair of tubercles. The sternites are long and narrow and feature cross-shaped depressions in which the...

developed, sub rectangular, and carinate. Abdomen consists with six visible sternites. Male has a robust penis. Species are primarily aphidophagus, but also...

be seen in modern mayfly larvae, because their abdominal tergites and sternites are fused to rings, without any traces left even in embryonic development...

features a basal tooth in the form of a small knob. The furrow on the sternites does not divide into branches at the anterior end. The basal element of...

severnsi was probably the largest species in the genus. Based on the size of sternites, its carapace width may have been up to 66 mm (2.6 in). Its claws were...

is indistinct. The metasoma consist of six visible tergites, and the sternites are slight and unsclerotized. In males, the post-anellar antennomeres...

along the trunk from straight on the anterior sternites to convex on the posterior sternites. The sternite of the last leg-bearing segment is as long as...

called sclerites, which are subdivisions of the major regions – tergites, sternites, and pleurites, for respective regions tergum, sternum, and pleuron. The...

each feature two grooves. The sternites on the anterior part of the trunk, from the second sternite to about the 23rd sternite, feature a distinct median...

The sternites of the first leg-bearing segment and the most posterior segments lack fields of pores, but undivided pore fields appear on the sternites of...

sexual dimorphism; flat, wide hind lobe of the pronotum with thoracic sternites having a pair of spines or finger-like processes; fore and middle legs...

brown. The first pair of legs are much smaller than the other legs. The sternites on the anterior leg-bearing segments feature a forked furrow with short...

of the centipede thus: "General body color light blue or olive green, sternites and legs light blue or yellowish; prefemur and femur of the ultimate legs...

mandibles are slightly smaller than the distal teeth. The groove on the sternites on the anterior segments is forked with two branches forming a very obtuse...

supraanal plate (epiproct), ie the eleventh tergite as well as the seventh sternite of the abdomen are clearly notched. The coloring is dominated by different...

possess two pairs of dark ventral abdominal tubercles on third and fourth sternites. The male opercula are rather short and generally do not reach beyond...

filaments. The forcipular tergite is narrower than the following tergite. The sternites lack ventral fields of pores. The basal part of the ultimate legs features...

segments of the pterygotids are thin and unmineralised. Even tergites and sternites (the plates that form the surfaces of the abdominal segments) are generally...

tergites. The ventral region is called the sternum, which commonly bears sternites. The two lateral regions are called the pleura (singular pleurum) and...

Ecuador, Venezuela and Bolivia. There are rather indistinct apical dots on sternites three to five and three lines forming a well-marked discal band on the...

margin of the ultimate article is smooth. Fields of pores appear on the sternites from the first segment to the penultimate segment, with each field undivided...

covered with many spinules. Thoracic sternites and first, second abdominal sternites are all whitish yellow. These sternites lack chitinous platelets. Antenna...

claw on the ultimate legs, and the absence of ventral pore-fields on the sternites. These features distinguish S. antici from other species of the genus...

Yosioki Takakuwa. This species features 47 pairs of legs. The ridges on the sternites are not forked at the anterior end. The telopodites of the second maxillae...

propodeal lamella completely fused to the submarginal carina. The second sternite is more or less concave at the base, the propodeum is black and the wings...

large pointed denticle. Relatively sparse setae appear on the sternites. The sternite of the ultimate leg-bearing segment has the shape of a trapezoid...

appear on the sternites from the first to the penultimate segments, a V-shaped pit appears in the middle of some of the anterior sternites, and numerous...

features two small basal teeth, one dorsal relative to the other. The sternites feature a furrow without apparent bifurcation. The ventral sides of the...

On the underside, Zecicindela tekapoensis is black, and the abdomen sternites and legs are glossy. White setae are present on the head, thorax, abdomen...

cylindrical bodies with sclerites (skeletal plates consisting of ventral sternites, lateral pleurites, and dorsal tergites) fused into complete rings. Juliform...

reddish fringes on the tergites which are seen in similar species. The sternites are mostly black and yellow in colour with little or no red, the tegulae...

Abdominal tergites black, white basal banding constricted laterally. Sternites pale and with elongate black median and apicolateral patches. White knee...

mandibular cutting edge, separated procoxae and overlapping abdominal sternites indicate that the genus may have a closer affinity with the family Cupedidae...

abdomen is black with small orange lateral and medial patches on each sternite. The anal tuft is largely black. Cephonodes woodfordii woodfordii Cephonodes...

the abdomen, sternites II to IX are exposed, all with smooth surface and straight, well-defined anterior and posterior margins. Sternite III has a pointed...

The sternites of the leg-bearing segments lack fields of pores. A short sclerite is visible in front of the lateral margins of the main sternite of the...

to off-white fine scales covering the head, thorax, elytra, abdominal sternites and legs. Females appear whiter due to larger white scales covering the...

Ends of abdomen of females of the three most common Sungaya species with marked seventh sternite and the preopercular organ located there...

near the sternite of the last leg-bearing segment. Furthermore, like other species of Schendyla, this species lacks pores on the sternites of the posterior...

bear several longitudinal striations, while sternites are smooth and trapezoidal, with the ultimate sternite being nearly triangular. While the last pair...

segments. These appendages are connected together by a band under the sternites, forming a U-shaped structure called the "cingulum". It has been suggested...

slightly narrower or occasionally about as wide as thestalk. The males bear sternites with medial process. The antennular peduncle segment 3 has two distomedial...

sternite VI black, with a very small tubercle at the posterior margin; sternites VII and VIII black. The surstyli are slightly asymmetrical, the cercus...

pedipalps are yellowish brown with a two black spots on the sixth and seventh sternites. Carapace and pedipalps are yellowish to reddish dorsally and laterally...

forcipules feature small bulges. Relatively sparse setae appear on the sternites. The sternite of the ultimate leg-bearing segment has the shape of a rectangle...

to 9 covered by series of lung-bearing opercula (2 and 3) and curved sternites (4 to 9). The first segment apparently lacking any ventral plates. Just...

pronotum is black apart from a narrow orange band at the edge of the sternites, and the abdomen is black. The legs are orange and the wings are translucent...

position and have round tips between which the pygidium can be seen. The sternite of their mesothorax slants forward, but the part protruding between the...

Centipedes in this genus feature fields of pores on the anterior sternites only. The main sternite of the last leg-bearing segment features is wide. The basal...

abdominal spiracles are diverging so that several lie on the abdominal sternites with at least one exposed. The fore coxae are conical and produced ventrally...

body – and sternites, which are sclerites on the ventral side of the thorax. On the other hand, the female has six gastral tergites and sternites and a sting...

The thorax has a white pronotal collar and is otherwise mostly red. The sternites of the abdomen are red, bordered with white posteriorly. The corium, the...

developed and usually fused at least on one side with the hypandrium (sternite 9). Only in the genus Megaselia is the hypandrium more or less distinctly...

projection of the sternite VII is irregular, long and very narrow. Chaetotaxy with two tufts in Sternite V. Posterior margin of the Sternite V is weakly sinuate...

segments. Antennae are filiform and the abdomen is voluminous. The last sternites is composed by one piece, in the shape of a ginkgo leaf, while the genital...

a nodule or tooth. The groove on the sternites is forked with the branches forming an obtuse angle. The sternite of the last leg-bearing segment is much...

forcipular coxosternite lacks chitin lines. The trunk sternites do not feature fields of pores. The sternite of the last leg-bearing segment is shaped like a...

limited to its anterior sternites and absent from the first sternite. In the other two species, these pores appear on all sternites but the last. Moreover...

similar but can be distinguished from each other by the shape of their 4th sternite and the length of their antennal scale. Both species resemble U. maori...

at least as long as the femora and tibiae combined. The male abdominal sternites are sclerotized, and the penis of the males is large and exposed. The...

of antenna uniformly orange-yellow dorsally and ventrally. In females, sternite VI is usually completely or at least in the apical part yellow. In males...

V and free tergites I-III each with transverse row of strong spines. Sternites smooth. Sternum narrowly triangular. Chelicerae small, weak, covered with...

article of the forcipule features a bulge at the base. The groove on the sternites is forked with the two branches forming an obtuse angle. The basal element...

article. The longitudinal groove on the sternites is forked, with branches forming a wide obtuse angle. The sternite of the last leg-bearing segment is shaped...

each of the other three articles. The sternites feature a groove that is forked at the anterior end. The sternite of the last leg-bearing segment is shaped...

forcipular tergite that is only slightly (about 1.5 times) wider than long, sternites without pore fields, and ultimate legs that each end in a small apical...

Fine sparse hairs cover the sternites, which usually feature fields of pores from the second through the 25th sternite. These pore-fields are triangular...

Scolytus species. Males also have bumps on the 3rd and 4th abdominal sternites, which females lack. The usual flight period is June–July in southeastern...

covered in several tiny bristles, also of unknown purpose. The postoral sternites are fused into a singular sternum with only shallow furrows indicating...

pubescence and shows a narrow shiny longitudinal marking. Tergites and sternites are shiny black, with tomentose hind margins of each segment. Discal bristles...

exceptionally large genitalia, and they reach over the hind margin of sternite 4. C. cautum is a Palearctic species. It has been found in southern Britain...

The entire anterior part of the clypeus is areolate. The ridges on the sternites are long and forked at the anterior end. The basal elements of the ultimate...

the abdominal tergites that are distinctly separated from the ventral sternites. The caudal filaments are formed by the two lateral cerci and the slightly...

third article features a tooth, but the second article does not. The sternites of the trunk segments lack pores but feature a groove that is not forked...

longitudinal fold only on the second abdominal sternite, while in the genus Protichneumon these abdominal sternites are often present in the second to fourth...

bearing the aforementioned large lateral processes. At least five ventral sternites are preserved, with the first being much longer than the others. Limbs...

mandibles; these are large in females. It has four visible sternites (ventrites) as well as four sternites that are not visible. Megachile species have three...

ventral part of the head, the first body segment (tergite I), and the first sternite are a reddish-brown colour. The last body segment (tergite XXI) and the...

The forcipular sternite features a pair of narrow sclerotized stripes (chitin lines). Pores arranged in a single field appear on sternites on at least the...

its length), and roundly bifurcated at apex, the bifurcations blackish; sternite 8 simple, 9 almost fused with tergite 9 (as in T. paludosa and T. czizeki)...

only three articles (combining the trochanteroprefemur and femur) and sternites without ventral pores. The lateral parts of the labrum in this subfamily...

undivided on the anterior and posterior sternites but divided into two roughly circular fields on the middle sternites. The short sclerite in front of the...

sternums are black. Abdominal sternites are ochreous with black patches sideward. Center of III, IV and last abdominal sternites black. Nepal, India, Myanmar...

S. arctus has a forward-pointing, pointed tip to the second abdominal sternites, while in S. pygmaeus, it is rounded and points backwards. S. pygmaeus...

hair), containing orange patches on frontal ledge above antennae. The sternites (plate-like segments on the underside of the body) are horn like and pink...

stridulitrum on the pretergite the sternite of abdominal segment IV is reduced, the tergite is much larger than the sternite and strongly vaulted The subfamily...

ovipositor. The shape of the preopercular organ located on the seventh sternite of the abdomen is species-typical. The slimmer males remain significantly...

5 in) in length. There are 21 tergites (upper plates of the body) and sternites (lower plates of the body). The head and first tergite are reddish-brown...

lamelliform adenostyle. The coxae 2 are not fused to the coxae 3, but sternites 8 and 9, and tergite 9, are all fused together, forming a complete corona...

combined with the infuscated pattern at cross veins on the wing. The male sternite IV with its symmetrical pair of short spinose lobes posteriorly is quite...

head. The sternites of the leg-bearing segments feature a longitudinal groove down the middle that is not forked at the anterior end. The sternite of the...

only restricted to the median part of the last two or three abdominal sternites. The subspecies pulchripes has a bright coral-red femora except in the...

a prominent basal denticle. The sternites are wider than long and sparsely adorned with small bristles. The sternites feature no ventral pores. Each of...

corners of the coxosternite of the first maxillae project like teeth. The sternites on anterior trunk segments feature a groove that is forked at the anterior...

wider proepisternum than females, while females have wider abdominal sternites. These beetles show also chromatic polymorphism, great genetic variations...

genera, the middle of the labrum is a thin membrane without teeth, the sternites of leg-bearing segments feature rounded and well defined pore fields,...

produce an ultrasonic sound by rubbing their genitalia against one of their sternites. It is hypothesized that this is used to attract mates over long distances...

of ten somites. The last tergite (anal operculum) lacks a corresponding sternite, comparable to the telson of horseshoe crabs, scorpions and whip scorpions...

the base. The sternites feature sparse and short setae, and starting with the first leg-bearing segment, the posterior area of the sternite features a transverse...

has dirty yellowish halteres. The abdomen is less violet, with black sternites. It is found in open and wooded habitats. Larval habitats are in dung...

spines. Adult males have lost tergites seven and eight, and the seventh sternite forms a complete ventral band. Stalk-eyed flies, as the name implies, typically...

features 51 leg pairs and a distinctly forked groove in the middle of the sternites. Furthermore, in both of these species, each lamella on the mandible features...

The liquid is secreted from an opening between the sixth and seventh sternites. The gland only produces the chemical defence in adult cockroaches. Research...

and cream scales. Abdominal tergites are black with broad basal bands. Sternites are white to cream. The legs are mainly dark but the hindfemora are pale...

carinae. Tergites I to VI are granular, with one clearly visible carina. Sternites are without carinae. Metasomal segments IV and V are punctate without...

are more acuminate posteriorly. The posterolateral corners of the trunk sternites are pointed. As in other remipedes, Kaloketos pilosus is hermaphroditic:...

second maxillae features both a dorsal comb and a ventral comb, and the sternites of at least some leg-bearing segments feature pore fields. Furthermore...

pale yellow, 15 mm long, with smooth sternites bearing no furrows, final hip with few pores next to the sternite rim, tergites deeply double-furrowed...

Unlike other Podotremates, Raninids' spermatheca opens anteriorly on sternite 7 rather than at the extremities of sternal suture 7/8. The formation of...

corrugations on the last sternite, stiff hairs (setae), and highly recurved tarsal claws. Males have corrugations on the last two sternites. They grow up to 70 mm...

possess two pairs of dark ventral abdominal tubercles on third and fourth sternites. In 2000, Kos and Gogala expressed the opinion that it was likely that...

of the lobe located sinistrolaterally at the posterior margin of male sternite IV. The name comes from Latin 'adusta', meaning 'tanned' or 'brown', referring...

Abdominal sternites are laterally rather densely punctate. Middle of sternites is shiny, with a single transverse series of coarse punctures. Last sternite is...

as in other species in this genus, the forcipular sternite features chitin lines, and the sternites of the anterior trunk segments feature pores arranged...

denticles. The ultimate article of the forcipule is relatively elongated. The sternites feature pores arranged in a single large field in the posterior part of...

coxosternite of the first maxillae are rounded and protrude only slightly. The sternites of the anterior segments feature a groove that is forked at the anterior...

five and six, and a large oblique cream mark on segment nine. On each of sternites four to eight a row of pale brown hairs; segments nine and ten) have a...

lines. Pores appear on anterior trunk sternites, with a few pores arranged in a small circular area on each sternite. Each of the ultimate legs ends in a...

the distal end, which features a well developed claw. The groove on the sternites is deep and not forked at the anterior end. The basal elements of the...

sternite that is wider than long and lacks distinct chitin lines, a short forcipule with a large basal tooth on the ultimate article, and sternites with...

females. The apex of the last sternite is not rounded and the shape of pygidium is much more longer than last sternite. This species is very similar to...

assessing posterior abdominal sternite and pygidium orientation. The pygidiums of males pinch the edges of their sternites, while the pygidiums of females...

Fields of pores appear on sternites from the second segment through segment 20 to 23, with all pore fields undivided. The sternite of the last leg-bearing...

smooth or features two tubercles, one dorsal relative to the other. The sternites feature a furrow without bifurcation. The ventral sides of the ultimate...

black basal and apical spots and with a spot on the third segment (Seguy "sternites I-IV tachés de noir"), the venter is white with a black marginal spot...

In addition, these wasps possess a gland located in the VI abdominal sternite (van de Vecht's gland) that is primarily responsible for making an ant...

dumb-bell. Males of most species also possess one or two projections on the sternite of the fifth body segment. Adults may have 19 or 20 body segments in addition...

and the postmedian cream translucent spot. Furthermore, the abdominal sternites are without white spots. "CATE Creating a Taxonomic eScience - Sphingidae"...

species, particularly Trigona necrophaga. Setae on the fifth metasomal sternite are thick and diverge laterally. In Trigona crassipes, workers possess...

darker. The species name refers to the long and dense setae that cover the sternites in the anterior half of the body. The posterior margin of the labrum features...

elongate oval and depressed. Head capsule and antennae black. Thoracic sternites yellowish brown. Elytra black and body yellowish brown. Jeng, M. L.; Engel...

located between the seventh and eighth abdominal sternites instead of located anteriorly on the seventh sternite. Phylogenetic analysis has determined that...

base of the ultimate article but no denticle on the first article. The sternites feature paired fields of pores. The basal element of the ultimate legs...

segment and at least 5 for pygidium, with a series of hourglass-shaped sternites align at the midline. The first pair of appendages are a pair of short...

segments 4 to 8 are usually incomplete, and in the Portunidae, the eighth sternite is usually visible if seen from below and has a penial groove. In males...

white to off-white scales covering the head, thorax, elytra, abdominal sternites and legs. The pro-, meso-, and metasternum are covered by dense fine setae...

article is smooth rather than serrate. Fields of pores appear on the sternites from the third leg-bearing segment to segment 26, with all fields undivided...

and second sternite are fused, with no suture visible. The suture between sternites 2 and 3 is conspicuous and deep, the one between sternites 3 and 4 incomplete...

article of the forcipule features a short tubercle. The groove on the sternites is long and only sometimes forked, with two faint branches forming an...

The sixth abdominal sternite in the male is symmetrical and it has an 8th tergite. In the female the seventh tergite and sternite are fused, and the eighth...

are less than half as long as the second pair. The sternites feature a forked groove. The sternite of the last leg-bearing segment is shaped like a long...

native to Sri Lanka. Females lack a medio-apical process on the second sternite. "Taeniogonalos gestroi (Schultz 1908)". Encyclopedia of Life. Retrieved...

Morphology of Diptera Wing length 7·75-8·75 mm. Triangular dark spots on sternites 3 and 4. Males have a yellow face with a black stripe and the mouth edge...

leaf margins, covered with a waxy secretion. Females use their abdominal sternite to place and smooth eggs. Eggs darken with age and hatch within two weeks...

have a small facial gibbosity with a few bristles forming the mystax. Sternites are predominantly shiny. Femora are black. The widest point of the distinctly...

the spots on the propodeum and continuous band on the fourth abdominal sternite are wide. Unlike species such as P. dominula, P. gallicus has a mostly...

basal tooth, but the internal margin of this article is not serrate. The sternites from the second segment to the middle of the trunk feature fields of pores...

evaluating the darkness of the cuticle on the apical edge of the fifth gastral sternite. Older wasps typically exhibit darker shades relative to others in its...

covered in grey hair and pale hair on the hind tibia. When it can be seen, sternite 8 will show a downwards curve at its tip. The males have the sides and...

Tergites 2-4 have narrow yellow bands usually entire or narrowly divided. Sternite 2 has long sparse straight hairs. ThesSurstylus has the dorsal lobe depressed...

feature no more than a few spines on the claws of the second maxillae, sternites without fields of pores on the posterior segments, two large pores on...

beyond the uropods. This genus has a bilobed caudal process of the seventh sternite in the male which covers and protects the genital papilla. The genus Anchicubaris...

forcipular tergite is shorter than one-third the length of the head. The sternites of both the forcipular segment and the first leg-bearing segment are wider...

segments, each consisting of a fused upper plate (tergite) and bottom plate (sternite). It is further subdivided in two ways. Based on the width and structure...

species of mosquito. Abdomenal tergites dark with white basal banding, sternites paler. Legs are mainly dark with some pale patches. Wings dark, haltere...

nodules, and the other articles feature no teeth. The furrows on the sternites are forked at the anterior end. Small pores of various sizes are evenly...

coloured and shows dark spots. On its underside, between the hips (on the 1st sternite), there is a long spur or spine. This species is similar to Dolycoris baccarum...

composed of 10 plates. The sternum is wide. Sternite 3 possesses a central lobe and two smaller side lobes, and sternite 4 is broad and triangular in front. The...

anterior sternites, and claws on the second maxillae and the ultimate legs. Furthermore, as in other Geophilus species, the anterior sternites feature...

Males are characterized by a wedge-shaped projection that arises from sternite 2. This species is very similar to Chelostoma campanularum. The species...

with a dark median stripe, sometimes absent on tergites 6 and 7. In males sternite 8 shows a straight rather long appendage directed at caudal margin. Tergite...

a nodule or tooth. The groove on the sternites is forked with the branches forming an obtuse angle. The sternite of the last leg-bearing segment is distinctly...

article features no denticle. Relatively sparse setae appear on the sternites. The sternite of the ultimate leg-bearing segment has the shape of a trapezoid...

convex. Postorbital region slightly concave. Suture between thoracic sternites 2 and 3 are not clearly visible. Abdomen of the male is triangular-shaped...

convex. Postorbital region slightly concave. Suture between thoracic sternites 2 and 3 are clearly visible as a shallow groove not reaching to lateral...

Furthermore, the sternites in this species feature carpophagus structures, in which a peg projecting from the posterior margin of one sternite is associated...

ninth elytral intervals, elytral epipleura, first two visible abdominal sternites and most of thoracic venter are pruinose. The shiny surfaces have dense...

species, abdominal tergite 4 is much enlarged and vaulted, with abdominal sternite 4 being correspondingly reduced in size. The subfamily was created in 2003...

forcipular tergum features no furrow down the middle. The furrow on the sternites is not forked. The ventral surface of the basal element of each of the...

the actual ovipositor. This is ventral formed from the eighth abdominal sternite, which is named subgenital plate, or also called operculum. Dorsal (anatomy)ly...

first step probably was the attachment of a spermatophore to the basal sternites of the male abdomen instead of a deposition on substrate. The female now...

but appears to be comparatively without ornament. The first pair of sternites after the genital operculum are unfused. Tetlie, O. E.; Poschmann, M....

The metasoma of the male has a tubercle in the middle of the seventh sternite. Like most insects, the genitals of this species are very characteristic...

Pyraloidea and almost all Geometroidea have tympana located on the anterior sternite of the abdomen. The Noctuoidea also have tympana, but in their case, the...

surrounds the actual ovipositor and is ventral formed from the eighth sternite, here named subgenital plate or operculum and dorsally from the eleventh...

posterior of the animal. These rings have each have a triangular shaped sternite on their underside. A central gut canal runs through the body, with the...

of a basal plate formed from the fused coxae of each leg plus ventral sternite from this segment and is hence called a coxosternite and two pairs of conically...

which in turn is modified to have large side wings. Additionally the first sternite of the gaster has a simple reticulated surface sculpturing. Workers of...

The first pair of legs are only half as long as the second pair. The sternites feature a groove that is forked with a right angle between the branches...

sternites in both G. carpophagus and G. easoni feature a carpophagus structure, in which a peg projecting from the posterior margin of one sternite is...

longitudinally grooved beneath, not carinate ; long pointed process of sternite straight, the hairy tooth at base of this process small ; harpe quite different...

buckler are most likely a misinterpretation of the ventral buckler wall (sternites or dorsal surface of gill chamber), which were originally enclosed by...

Notably, the species boasts a broad, flattened abdomen with ventrally folded sternite 7, while its large wings have wide brownish or greyish dots and the cell...

margin, with a prominent basal denticle on the ultimate article. The sternites lack fields of pores. About fifteen small scattered pores appear on the...

diagnostic character is the sclerotized projection latero-ventrally on sternite VIII. The species occurs in lowlands of the Guianas and Brazil. Males use...

telopodites of the first maxillae. Relatively sparse setae appear on the sternites. The sternite of the ultimate leg-bearing segment has the shape of a trapezoid...

digitiform. They exhibit both the fusion of coxae 2 and 3, and the fusion of sternites 8 and 9 with tergite 9, the latter of which forms a complete corona analis...

tooth that is well developed. The sternites of the trunk segments feature a groove that is not forked. The sternite of the last leg-bearing segment is...

filaments on the claws of the second maxillae, fields of pores on the sternites of leg-bearing segments, two pores on each coxopleuron, and ultimate legs...

tergites and pleura, there is a silver lengthwise line on each side. The 8th sternite is slightly modified in shape. The legs are glossy, with the fore- and...

located on the sternum, and possess a complete corona analis (fusion of sternites 8 & 9, and tergite 9), as well as laterally projecting ozophores. Their...

and narrows ventrally; in the abdomen, segments two to seven of the sternites lack bristles. Its claw has a "distinct basal projection." Hectopsylla...

between reddish brown to black. Petioloar suture complete. First gastral sternite finely coriaceous medially. Size 7–9 mm, 34–39 flagellomeres. D. admontia...

segments. Adult beetle has longer smooth-edged metatibial spine. The second sternite of male has a sharp, backwardly projecting process. In female, disc of...

forcipular tergite that is only slightly (about 1.5 times) wider than long, sternites without pore fields, and ultimate legs that each end in a small apical...

terminal sternite quadrate (a part of an insect's thorax or abdomen), while females are categorized as having the apex of the terminal sternite moderately...

surrounds the actual ovipositor. It is ventrally formed from the eighth sternite, here named subgenital plate or operculum. Dorsally it is not formed from...

male, the sixth abdominal sternite is fairly deeply emarginate at the apex. In female however, the sixth abdominal sternite is entire. It is a predator...

males have convergent carinae on their sixth ventral abdominal segment (sternite). Eucera species nest in the ground. Eucera have a thick layer of fur and...

posterior median eye. The sternum is elongated and divided into two unequal sternites seemingly joined to the carapace between second and third coxae by narrow...

abdomen is generally dark-scaled with purplish reflections, with a pale sternite. The wings are dark-scaled with long, narrow plume scales, the halteres...

partly hidden by the main sternite of the ultimate leg-bearing segment, while the anterior group is partly hidden by this sternite and the anterior sclerite...

shorter than wide and shorter than one-third the length of the head. The sternites of both the forcipular segment and the first leg-bearing segment are wider...

underside of sternite III that also has distinct striations. The cuticle of the gaster is translucent, which shows that the apodemes of gastral sternites IV and...

tooth. The groove on the sternites is forked, with the branches forming an obtuse angle, but the branches are short. The sternite of the last leg-bearing...

grass-greenish color that lacks a dark olive-green irroration. The last sternite of the female is larger, wider and broader with a V-shape caudal incision...

segment consists of a dorsal tergite, two lateral pleurites, and ventral sternite, which are unfused. The male reproductive appendages (gonopods) are simple...

females average 18 mm (0.71 in). Males possess a cleft in the last abdominal sternite, which makes them readily discernible from females. Their cryptic coloration...

the forcipule, and a groove on the sternites of the leg-bearing segments that is not forked. Furthermore, the sternite of the last leg-bearing segment in...

cephalothorax) is narrow, and there is another smaller ventral plate (the sternite) between the fourth pair of legs. The carapace is mostly flat, though it...

segments with the sternum separated into sclerotized sternal units called sternites. It is thought that silphids, including N. orbicollis, arose in the early...

granular area, bordered by a dense fringe of scales in the middle of the last sternite in males. "Global Biodiversity Information Facility". gbif.org. Retrieved...

the forcipule features a small tubercle. The sternites are long, with dense but short setae. The sternite of the ultimate leg-bearing segment has the shape...

almost entirely blackish or brownish The posterior margin of the eighth sternite of the male is slightly curved, with a broad shallow median incision which...

pollen basket on the outer side, and the fourth to seventh abdominal sternites possess wax mirrors (wax gland secretion areas). The stinger is specialized...

of mud; parasitoids; and kleptoparasites. Pepsinae can be defined by: sternite 2 with a distinct transverse groove; mesofemur and metafemur without subapical...

inner margins. The forcipular tergite is shaped like a trapezoid. The sternites do not feature fields of pores. Each of the penultimate legs features...

hairless when viewed dorsally, while the ventral surface is shiny black. Sternite V has a mesh of fine yellow setae. The legs are dark reddish-brown. The...

the pedicel (an antenna segment), or rubbing the pedicel with abdominal sternites Feeding: Behaviors include the reception or malaxation of prey, feeding...

be differentiated from Protohermes by presence of protrusions from the sternite plate. Geologic uplift likely resulted in speciation across mainland southeast...

and often with a black mark in the middle of the tergite. Pre-genital sternite black-haired. Tibiae red. See references for determination Palearctic Fennoscandia...

tips of the antennae. Palpus extends at least as far as antennae. Last sternite in male deeply concave on posterior margin. The red eyes are touching in...

4 and often segment 5 have the posterior margin narrowly yellow. The sternites are yellow, usually with faint or distinct dark median spots, stripes...

body is a spinelike process extending forward from the third abdominal sternite. A feature of Rhaphigaster and some other pentatomid genera is the connexival...

hypostomal margin, anterior tentorial pit location, keeled fourth gastral sternite and reduced hind tibial spurs. In some cases, scapes are shorter than in...

than separate. The sternites of the leg-bearing segments lack fields of pores. A short sclerite is visible in front of the main sternite of the ultimate...

maxillae with claws, and a longitudinal groove down the middle of the sternites of the leg-bearing segments. This species shares more distinctive features...

as tergite; tergite 10 with paired trichobothria well developed. Sixth sternite posterior margin with pair of lobes each bearing two setae at base. Ankothrips...

Centruroidinae Kraus, 1955 (Scorpiones: Buthidae) reveals evolution of three pecten-sternite stridulation organs". Arthropod Systematics & Phylogeny (in Portuguese)...

balrogiformis Kuwahara & Marshall, 2020 Fly Balrogs "This name refers to the fifth sternite, which resembles the head of the Balrog from J.R.R. Tolkien's The Lord...

Wheeler's organ is a type of tympanal organs in the first two abdominal sternites. It is named after the American entomologist William Morton Wheeler, who...

males, the ventral side of the abdomen (sternites) has few or no distinct markings, and in females, the sternites have spots or triangles and the facial...

mandibles; these are large in females. It has four visible sternites (ventrites) as well as four sternites that are not visible. Megachile species have three...

antennal segment; an oculo-mandibular carina is present; the first visible sternite is approximately the same length as the second along the midline and is...

(Cosmopterigidae). It is placed here based on the presence of pleural lobes on the 8th sternite of the males, which is an apomorphy for the cosmet family. Asymphorodes...

oval line on sternite. Abd. VI with short ventral tooth; VII without tooth. Abd. VIII strongly chitinised, annular about abdomen; sternite extending posteriorly...

appear on at least the anterior sternites, with pores in a pair of anterior groups and a posterior transverse band. The sternite of the last leg-bearing segment...

their antennae directed over their backs and their thoracic and abdominal sternites in contact. This mating position has only been recorded once. Each copulation...

mandibles; these are large in females. It has four visible sternites (ventrites) as well as four sternites that are not visible. Megachile species have three...

turquoise-blue interarticular membranes on the coxae and between the first sternites of the abdomen, which can already be found in the newly hatched nymph...

and the base of the ultimate article features a small tooth. The main sternite of the last leg-bearing segment is shaped like a trapezoid and is usually...

nests. Males were found to have exocrine gland cells in their gastral sternites, though they have very few ducted exocrine gland cells when compared to...

mandible features fine serrations below the first lamella. The groove on the sternites of the anterior segments is forked, with the two branches forming an acute...

paper Sententimiya S. wichardi Psychomyiidae Bears a plate on the fifth sternite similar to those on psychomyiids Shadareniskia S. inambularia Hydrobiosidae...

is possible that the large abdominal spikes of A. granosus are on the sternites (a feature shared only by A. nebraskensis) and not on the tergites as...

13. On the abdomen there are hooks and two setae (hairs) on the ninth sternite (plate on the underside of the body). The fabric of the cocoon is roughly...

and thorax with his palpi. Contact with the vagina is made when the last sternite of the male beetle is lowered and the aedeagus protrudes to the vagina...

rounded bulge. The groove on the sternites is forked at the anterior end, with the branches forming an obtuse angle. The sternite of the last leg-bearing segment...

legs are less than half as long as the second pair. The ridge on the sternites is forked at the anterior end, with the two branches forming an obtuse...

setae, second maxillae with claws, and a longitudinal groove on the trunk sternites. This species shares a more extensive set of traits with another species...

orange yellow with brownish tips of femora. In male, the aedeagal sheath sternite terminated by apically acute and divergent lobes. Tibiae and tarsi dark...

tergites and sternites. The first segment is around twice as wide as the head, with a rounded tergite widest at the posterior. The sternite is also rounded...

and middle coxae and in some cases the membranes between the abdominal sternites, especially in the youth stages. These are usually colored in a species-specific...

individuals of this species have exocrine gland cells in their gastral sternites, which supports the idea the M. m. cubicola uses chemicals for communication...

inverted Y that is wider than it is long. Sternite 2 has a bright yellow posterior margin, while sternite 3 has a pair of yellow spots on the anterior...

smooth apex and sensilla styloconica dorsally, modified seventh abdominal sternite in the female, divided in to two lobes surrounding the ostium bursae (female...

surrounds the actual ovipositor. It is ventral formed from the eighth sternite, which is called subgenital plate or operculum and dorsally from the eleventh...

families are the lack of an arolium between the claws, the first thoracic sternite being modified into collar-like structure called sternomentum, a tarsal...

a tubercle. The ventral surface features a deep forked groove on each sternite with two branches that form a right angle. A dense array of numerous minute...

only slightly at end. The width to tergite 4 about equal to length of sternite 4 and in the form of a slightly broadened rectangle toward back side, about...

view and a U shape from the top view. The 11th segment is made up of a sternite that is approximately twice the size of the tergite. This segment is an...

cephalothorax) is narrow, and there is another smaller ventral plate (the sternite) between the fourth pair of legs. They respire by means of two pairs of...

contracta. There are also differences in the grey dusting of the sternites (sternites 2 and 3 are completely grey dusted in the male of transfuga). Keys...

in Europe. For terms see Morphology of Diptera. Wing length 6.5-8.5 mm. Sternite 2 yellow with blackish crossband. Female frons with large patches of dust...

these lappets are absent in M. javanica. Fields of pores appear on the sternites from the second through the twelfth leg-bearing segments. These fields...

penis and terminate above it between the penis-cover processes. Seventh sternite with a short, broad process. Males have a wingspan of 18.5 mm (0.73 in)...

"most distinctive" feature of Neoglyphea. The epistome is effectively the sternite of the antennal segment, and lies between the base of the antennae and...

and to the side of their head. They have hard tergites, underdeveloped sternites, and inconspicuous respiratory fans. The pupa have pinna on the apex of...

a u-shaped marking on the apical one-third of the elytron and the last sternite with apical margin black. Staines, C.L. (2012). "Hispines of the World:...

mandibles; these are large in females. It has four visible sternites (ventrites) as well as four sternites that are not visible. Megachile species have three...

of the body. On the underside, smaller spines are present on both the sternites of the thorax and the abdomen. The legs are more or less spined on the...

thirteenth sternites in this centipede feature carpophagus structures, in which a peg projecting from the posterior margin of one sternite is associated...

ultimate article. The sternites of the leg-bearing segments lack fields of pores. No short sclerite is visible in front of the main sternite of the ultimate...

are around 45 to 55 millimetres (1.8 to 2.2 in) long. The black colored sternites two to seven of the abdomen are characteristic of them. This coloring...

each sex. The sternites of the second through the ninth leg-bearing segments feature a longitudinal groove in the middle. The sternite of the last leg-bearing...

middle. The sternites lack ventral pores. The basal element of each of the ultimate legs features a few pores close to the corresponding sternite, and each...

Abdomen consists with five vetrites and zig-zag shaped maxillary palpi. Sternite VII with emargination visible in between apex and medial part. Median lobe...

corresponds to both the sternite of the forcupular segment and the sclerites at the base of the forcipules) and the sternite of the first leg-bearing...

the anterior anepisternum is bare, (pilose in Trichopsomyia). The fourth sternite of the male is as long as its tergite. Vein R4+5 is straight or nearly...

innervated by an abdominal ganglion located under the first abdominal sternite. This location suggests that the sperm receptacle can compress and influence...

are aligned. If the courtship is successful, the female opens her anal sternite and copulation takes place. Following copulation, the male remains on top...

always be identified by having two large patches of hair on their second sternite, and the unique shape of mid-tibial hair tufts. It is believed that these...

and each abdominal segment at the hind margin is yellowish. The fourth sternite has two yellowish spots, and the sixth segment in the male is entirely...

from the eighth sternum, also called the subgenital plate. The seventh sternite, which is located directly in front of it, is also called the anal segment...

appendage (b) and closeup of the lamellae (c), and a view from below of a sternite with attached appendages Waptia fieldensis was one of the first fossils...

pheromone is released from the abdomen of the wasp, at the base of the fifth sternite. It is excreted by Richard's glands. The pheromone has a strong, leather-like...

gigas, the species M. psuestes features 51 leg pairs and furrows on the sternites that are forked at the anterior end. Furthermore, in both of these species...

hind legs is normally built in females and apically pointed; the fifth sternite of the metasoma in females has an apical spine; the face is strongly convex;...

Polistes versicolor. These wasps possess a gland located in the VI abdominal sternite (van de Vecht's gland) that is primarily responsible for making an ant-repellent...

with commodities. Body length is about 2.5 to 2.25 mm. First abdominal sternite is without a black lateral spot. The elytral transverse band is white and...

legs features pores, with most of these coxal pores close to the adjacent sternite. Furthermore, the coxosternite of the second maxillae is entire rather...

male pupa having a cylindrical projection ‘gonopore’ on the last ventral sternite, which is absent in female pupa.[citation needed] Adults are shiny and...

coxae are not bulged. They are on the same level as the first abdominal sternite. The abdomen has 6 visible abdominal plates. The tarsi are all distinctly...

genitalia. The latter are slender and elongated, and the eighth abdominal sternite in particular is large and sclerotized, "with a characteristic boomerang...

distinguished by the presence of 35 cylindrical body rings with free sternites and fused tergites, among other characters. The specimen was discovered...

by tergites projecting from the sides of each abdominal segment. The sternites on the underside of the abdomen each bear a slight protrusion, together...

that is characterized by workers having a strongly bilobate postpetiolar sternite and a thickset mesosoma with strongly convex dorsal profile as well as...

pattern on tergites 3 and 4.Face with black longitudinal stripe. Female sternite 2 black at hind margin and dust spots on frons faint. Male genitalia are...

elytra bases and the distal end pointing out between the wing bases. The sternite of the metathorax is characteristically swollen. Microscopically, it can...

three setae on sternite IV instead of just two, and by having nearly symmetrical surstyli. Within the species which have male sternite IV asymmetrical...

densely punctulate and pubescent. Hind wings well developed. Male has wide sternite, which is widely truncate. Song, X. B.; Tang, L.; Peng, Z. (27 February...

in reference to the shape of the median groove on the first thoracic sternite. DNA sequencing of the cytochrome oxidase I gene suggests that the nearest...

abdominal segment 8 present. Anterior edge of sternite 8 in male without median strut. Anterior edge of sternite 9 in male without median strut. Tergite 9...

are scattered along the rear borders of both the gastral tergites and sternites, while similar, but minutely sized clubbed hairs are rarely found on the...

forficata), superior lobe (large and as long as sternite IX in S. crucivena, small and one-fourth the length of sternite IX in S. forficata), and apex of the ejaculatory...

scales. In females, only the 5th abdominal sternite is covered in setae (in males, visible abdominal sternites I-V are covered with scales). There are currently...

only slightly asymmetrical superior lobes; part of the postero-ventral sternite IX is strongly asymmetrical; tergite IX is elongated and the cercus is...

Abdominal sternites shining, slightly rugose longitudinally, finely punctured. Distinct submarginal grooves present on all except first visible sternite. Epipleura...

apex. The rows of punctures on the elytra are narrow. The 9th abdominal sternite is strut Y-shaped, and elongate. Lateral sclerites elongate, membranous...

exopod and leg-like endopod with 8 segments. A narrow, hourglass-like sternite was associated between each of those appendages. Some features originally...

traits of long ovipositors and the absence of a modified 6th abdominal sternite in female wētā. However, this genus is now regarded as synonymous with...

well-developed ovipositor on segments 8–9, with a blunt, hook-like process on sternite 8. Larvae resemble those of dragonflies, with a stout body that becomes...

segments successively longer. Half sternites mostly with 8, those of 10th segment with 6 border bristles; ultimate sternite with 4 ( ♂ ) to 6 ( ♀ ) border...

ventrally. On its abdomen, ventrite 5 is emarginate, as long as the 4th sternite. Its first ventrite has a patch of short erect setae basally, which are...

domain. Alfred Philpott (15 August 1927). "The Modification of the Eighth Sternite in Microdes (Lepidoptera)". Transactions and Proceedings of the New Zealand...

low, and weakly pigmented, but the intermediate articles lack teeth. The sternite of the last leg-bearing segment is shaped like a triangle that is wider...

carapace is more convex. Postorbital region concave. Suture between thoracic sternites 2 and 3 are not clearly visible, where they can be seen as a groove without...

trail for other members of the nest to follow. Rubbing their gastral sternites on objects when moving in the swarm leaves this trail. There is clear...

by other features such as the shape of a tubercle on the last thoracic sternite; this is flattened in S. arctus, but conical in S. pygmaeus. S. arctus...

ultimate legs are obviously longer than the penultimate legs. The last sternite is wider than long. This centipede exhibits traits shared with other species...

black. Coloration of legs varies. Petioloar suture complete. First gastral sternite coriaceous medially. Mesopleuron with wrinkles and without punctuation...

the family Chordeumatidae, for example, adult females feature a legless sternite (the "platosternite") where a third pair of legs would otherwise be. In...

the Van der Vecht's organ. This structure is located on the last gastral sternite of the wasp, on the anterior edge. It is composed of a hairy, transparent...

ovipositor, which is called the subgenital plate and consists of the eighth sternite. The synovial membranes, especially in the area of the hind and middle...

rounded apex, extending to or just beyond the posterior margin of the second sternite. The male abdomen is cylindrical and notably longer than the combined length...

first tergite that does not cover the petiole, a flat fourth abdominal sternite. Overall Y. constrictus can be distinguished from the congeneric Y. geinitzi...

it can be differentiated by the presence of a sacculus or pit on each sternite. It is polymorphic and may comprise two separate subspecies, one with lateral...

the first article features a well developed medial tooth. The anterior sternites feature no ventral pores. The basal element of each of the ultimate legs...

elbow-like, forked appendage on their abdomen, formed from one of the sternites; this is the only Hemiandrus to have such an enlarged appendage. Females...

becomes indented at the 15th or 16th sternite, and the pore field divides into two clusters at the 34th sternite. The base of each of the ultimate legs...

segment is not longer than the first and may be shorter. The mesothoracal sternite is flattened but between the second leg pair there is a protrusion projecting...

Delia Robineau-Desvoidy (Diptera: Anthomyiidae) with a bipartite male sternite III". Zootaxa. 1469 (1): 51–57. doi:10.11646/zootaxa.1469.1.3. ISSN 1175-5334...

Asiosphegina is a subgenus of hoverflies characterized by sternite I being narrow and lanceolate, several times longer than wide or membranous, and non-pilose...

more hair scale patches on the central anterior edge of the abdominal sternite 8. Apart from this, the morphology of the genitalia is rather heterogeneous:...

the actual ovipositor. This is ventral formed from the eighth abdominal sternite, which is here named subgenital plate, or also called operculum. Dorsally...

only shiny dorsally; epandria is short, more or less square. In females sternite 7 shows tomentose longitudinal stripes. This species is rather similar...

and the absence of anterolateral extensions on the male second abdominal sternite (Sihvonen & Kaila, 2004). Other diagnostic characters include length and...

have a reddish scutellum and tend to have entirely red legs. The fifth sternite is straight when viewed from the side and from below it is noticeably wider...

The scutellum is squarish. The pygidium is vertical. The last abdominal sternite is emarginate. The body length of female is about 1.95 to 2.8 mm and features...

meaning 'thorn', referring to the strong spine-like setae on the male sternite IV. Like other species in its genus, S. crassispina is small, slender,...

the collum. The trunk segments feature poorly developed paranota. The sternites are each divided by a deep transverse groove. The tergites each feature...

the tergite. In the male the postabdomen is highly characteristic, the sternite of the 5th postabdominal segment is shallow divided into 2 lobes, each...

Phrynoponera-like species lack the extremely specialized morphology of the petiole sternite, helcium, and prora, as well as the characteristic 5-spinose petiole node...

(instead of small) membranous incision at the posterior margin of male sternite IV, and by lacking a thumb-like subbasal sublobe located dorso-medially...

but marked, and there is a smooth depression in the middle of the last sternite in males. Furthermore, the parameres are different. "Global Biodiversity...

plates that form the surface of the abdominal segments, the stergites and sternites, are preserved as paper-thin compressions which suggests that pterygotids...

and pedipalps are yellowish brown with a pair of black spots on seventh sternite. Carapace and pedipalps are yellowish to reddish in color dorsally and...

abdomen, and all-black legs. Thorax with pale hairs of a single length, sternites weakly dusted, scutellar bristles sometimes lacking. Identification by...

longitudinal groove in the middle of the posterior two-thirds of each sternite. This groove forks into two faint branches. The telson features distinct...

composed of 10 sections, and the boundary between the tergites and the sternites is clear. The 8th to 9th ventral segments of male insects are specialized...

with black basally, distinctly marked with black apically. First gastral sternite coriaceous medially. Petiole distinctly sculptured laterally in front of...

with moderately dense, long, erect setae interspersed. The abdominal sternites are dark brown to black. The species name refers to its occurrence in...

distinguished by the deep, scaleless depression in the middle of the last sternite in males. "Global Biodiversity Information Facility". gbif.org. Retrieved...

abdominal segments. The thoracic segments further front possess narrow sternites and are smaller than the sixth to eighth thoracic segments. The abdominal...

preserved, with its distal end missing. It spanned from the first to the third sternite (ventral half of the body segment) and was of type A, that is, the specimen...

abdominal tergite has setae S2 short and stout, while the eight abdominal sternite usually has no pore plate. The male of H. dissociatus is unusual in having...