with those of arthropods. Ventrites are externally visible sternites. Usually the first sternite is covered up, so that ventrite numbers do not correspond...

ventrite not elevated and the mesofemur not modified. This species can be separated from parapseudoabdominale by the width of the male first ventrite...

cavities, an acuminate intercoxal process on the first visible abdominal ventrite, antennal club consisting of six antennomeres, and male genitalia lacking...

the body cavity. The ventrite of the first abdominal segment has subcoxal lines and two support structures. Abdominal ventrites 3 and 4 likewise have...

yellow spots. The male abdomen has a setal tuft on the first ventrite and several ventrites emarginated and depressed. The species name refers to the Panamá...

abdominal ventrites I–III and basal half of IV are integument black, while the antennae, palpi, legs, posterior half of abdominal ventrite IV and abdominal...

femur and files on the tibia. Stridulatory combs can occur on the fourth ventrite. Most family members are thought to be mycophagous (fungus eating), but...

first ventrite has a small cluster of fine seta, but is not raised near the posterior margin. For the female, it is uniformly convex. The fifth ventrite in...

First ventrite not completely divided by metacoxae. Suture between ventrites 1 and 2 distinct. Suture between ventrites 2 and 3 is distinct. Ventrite 4 articulated...

no premucro. Abdominal ventrite 2 is swollen, with its rear edge projecting and forming a shared cavity with ventrite 1. Ventrite 5 is dull, finely textured...

palps are long and projecting. Nemonychidae have all ventrites free, while Anthribidae have ventrites 1-4 connate or partially fused. Nemonychidae lack lateral...

between the male and female specimens, beyond a longer fifth abdominal ventrite on the female. The beetle's genitals display a number of differences from...

ventral side is bluish-black with small yellow spots on the abdominal ventrites. Head: Coarsely punctate. Antennae with antennomeres 5–11 expanded apicolaterally...

areas of the metaventral process, in combination with the elevated first ventrite in males and the distribution (II–VII) of the tubercles on the elytral...

the anterior area of the metaventral process, meso- and metafemora and ventrite VI. The species name is derived from Latin non- (meaning not) and stria...

head, thoracic ventrites, and abdominal ventrite I are dark ochreous-brown, while the legs, mouthparts, and apex of the abdominal ventrites II–VII are light...

characters in males: the mesofemur possesses a basal protuberance, the first ventrite is elevated and with small punctures. Also, it can be separated from all...

Diving beetles across subfamilies have a set of six abdominal segments, or ventrites, visible on the belly. They are lined up roughly perpendicularly to the...

beetles, notable for their large coxal plates that cover much of the first ventrite of the abdomen, sometimes called plate-thigh beetles. The family is small...

interval 7 curved inwardly to parallel humeral angle; ventrites 3 and 4 without setose punctures, ventrite 5 with 1 setose puncture each side of midline. Length...

glabrous) and clunis (meaning rump) and refers to the glabrous area on ventrite 5. Taxonomic revision of the genus Elmomorphus Sharp, 1888.II. Redescription...

rump) and refers to the conspicuous cluster of long setae on the male ventrite 5. Taxonomic revision of the genus Elmomorphus Sharp, 1888.II. Redescription...

Compound eyes strongly emarginate posteriorly. Abdomen with eight abdominal ventrites. Female show much pale yellow coloration dorsally with flecked reddish...

spots on each elytron, including an incomplete transversal band. The third ventrite has a small narrow cusp at each side of the middle. "Global Biodiversity...

or less distinctly separated from the epandrium. Unpaired sclerites (ventrites) developed at the distal end of the hypandrium vary in shape. They may...

hind femora, there is a hydrofuge pubescence as well as in abdominal ventrites. Metasternal keel glabrous and produced into a short spine posteriorly...

passed to the first ventrite. On the base of middle and hind femora, there is a hydrofuge pubescence as well as in abdominal ventrites. Mesosternal keel...

The ventrite of the first abdominal segment has subcoxal lines and 7-9 support structures. Abdominal ventrite 2 has 6-9 of these, while ventrites 3 and...

mouthparts, apex of the elytra, and the posterior bead of the abdominal ventrites and tergites are yellow in color. The last maxillary palpomere is modified...

apical denticle 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...

orange or yellow. The ventral surface is light brown to orange. The third ventrite of the male has small cusps. "Global Biodiversity Information Facility"...

first two abdominal ventrites are slightly sunken, mostly smooth, and have a fine mesh-like texture (microreticulate). The second ventrite has a flange on...

group, including hard-bodied beetles with 5 abdominal ventrites, soft-bodied beetles with 7-8 ventrites connected with membranes (formerly known as cantharoids)...

The dorsal edges of the meso- and metatibiae are denticulate. Abdominal ventrite 5 is flat, microreticulate, nearly nude, and bears only a few short setae...

P T J K Pg N Interpretive diagram, including variant with 6 abdominal ventrites Several specimens of T. coprolithica seen from the underside Scientific...

between the male and female specimens, beyond a longer fifth abdominal ventrite on the female. The beetle's genitals display a number of differences from...

densely punctate. Prosternum moderately convex medially. Fifth abdominal ventrite is feebly emarginate posteromesally, not carinate. It bears a row of stout...

intercoxal processes. The anterior coxae and trochanters are fused. The basal ventrite is very large. Species are generally found within mud and sand at the periphery...

yellow and reddish pink. The male's luminous organ occupies its sixth ventrite. The antennae, about 6 mm (0.24 in) long, are between the eyes, which are...

of small teeth. The upper edge of the metatibia is toothed. Abdominal ventrite 5 is flat at the base and has a shallow depression in the apical half....

separated by more than 1/3 their width, the intercoxal process of abdominal ventrite 1 usually broadly rounded or truncate, hindwings with reduced anal veins...

incompletely closed punctures, but it differs in several ways: the male first ventrite is elevated and the striae are narrow. The species name refers to the type...

middle. On the abdomen, there are seven pairs of spiracles; the first ventrite protrudes broadly forward between the hindleg attachments and ends in a...

explanate elytral sides with diffuse small microtubercles, and abdominal ventrites co-planar (abutting) or looking like bordered along the posterior edge...

subapical stridulatory patch and a transverse row of denticles. Abdominal ventrite 5 has a shallow pit near the apex. The penis is moderately curved ventrally...

reflections. They are dark brown ventrally, with a few shiny red reflections on ventrite VI and with the meso- and meta-legs light brown. The species name is derived...

anterior coxal cavities, and broadly rounded intercoxal process of abdominal ventrite III. Males have the 8th abdominal segment modified to form claspers used...

tooth in the mesotibia, and denticulation in the metatibia. Abdominal ventrite 5 is flat and coarsely punctate. The penis has subparallel sides and a...

edentate. The metafemur has a stridulatory patch near the tip. Abdominal ventrite 5 is flat, densely punctured, and covered with setae. The penis is flattened...

Deltochilum pauxi by having the striae wide and the males with the first ventrite not elevated and the mesofemur not modified. The species name is derived...

and the metafemur bears a stridulatory patch near the tip. Abdominal ventrite 5 is coarsely punctate and sparsely covered with suberect scales. The penis...

abdominal ventrites I–III and basal half of ventrites IV and V are integument black, while the antennae, palpi, legs, posterior half of abdominal ventrites IV...

metacoxae (coxae of the hind legs), which occupy most of the first abdominal ventrite and nearly reach its posterior margin. Acronymolpus was first proposed...

disc and moderately widely explanate sides of the elytra, and abdominal ventrites co-planar." Tan, Jingjing; Wang, Yongjie; Ren, Dong; Yang, Xingke (2012)...

moderately wide and with diffuse small microtubercles, and abdominal ventrites co-planar (abutting)." †Monticupes curtinervis (Tan et al., 2007) – Yixian...

with closed procoxal cavities, a narrow intercoxal process of the first ventrite, and lacking an clypeal suture. The salient character of the members of...

between the male and female specimens, beyond a longer fifth abdominal ventrite on the female. The beetle's genitals display a number of differences from...

between the male and female specimen, beyond a longer fifth abdominal ventrite on the female. The beetle's genitals display a number of differences from...

the anterior area of the metaventral process, meso- and metafemora and ventrite VI. The species is named after Jocelyn Gill. Global Biodiversity Information...

dorsal colour is yellow with black spots. The male abdomen has several ventrites depressed and emarginate. The species name is derived from Latin inversos...

visible in a ventral view. The third is an abdomen with six ventrites, with the first ventrite being distinctly longer than the second. Aspidimerini contains...

and green reflections on the metaventral disc, meso- and metafemora and ventrite VI. The species is named after Bruce Gill, a prolific scarabaeiodologist...

between the male and female specimen, beyond a longer fifth abdominal ventrite on the female. The beetle's genitals display a number of differences from...

beetle genera with subparallel intercoxal ridges on the first abdominal ventrite (Coleoptera, Chrysomelidae, Galerucinae, Alticini)". Journal of Natural...

projection near the base. The metatibia lacks a premucro at the tip. Abdominal ventrite 5 is flat and coarsely punctured. The penis has nearly parallel sides and...

metatarsomere 5 similar in length to metatarsomeres 1–4 combined. Fifth abdominal ventrite apically emarginate, with stout setae.– — Girón and Short, The Acidocerinae...

black elytra, red-based brown legs, and blackish antennae; the last 1–3 ventrites of the abdomen are also blackish. The antenna "clubs" are fairly narrow...

the clefts to clean wood frass. The strongly developed last abdominal ventrite and tergite of the female may help to hold the male genitalia during mating...

dried specimens such a line and the spots become reddish-brown). Head, ventrites, legs, and antennae are yellow. The most similar species is Chiridopsis...

reflections on the metaventrite, metaventral process, meso- and metafemora and ventrite VI. The species name is derived from Latin tenuis- (meaning weak) and stria...

Pyrophanes, the sheath of the aedeagus lacks paraprocts, and the seventh ventrite of the abdomen lacks the hairy lobes and points at its hind margin. Two...

elytra with black apices. There are black terminal abdominal tergites, and ventrite V is completely dark coloured. Male is about 5.7 to 8.3 mm in length. Pronotum...

are slightly larger, and have a larger and more rounded fifth abdominal ventrite. George Hudson, comparing this species with Lyperobius hudsoni, described...

distinct, longitudinal groove. Protarsi and mesotarsi are similarly expanded. Ventrite 2 consists with a midline large spine. Elytron lacks a macula. "Catalogue...

Mecodema species by having: 1, greatly expanded protibia and mesotibia; 2, ventrites with numerous setose punctures; 3, the pronotum and elytra are truncated;...

(2020-01-01). "The comparative morphology of adult pregenital abdominal ventrites and trichobothria in Pyrrhocoroidea (Hemiptera: Heteroptera: Pentatomomorpha)"...

based on characteristics of adult males: deflexed elytral apex, trisinuate ventrite 7, and a metafemoral comb. However some of the recently assigned species...

the protarsus is slightly larger than that of the mesotarsus. Abdominal ventrite 5 is flat, coarsely punctured at the tip, and sparsely setose. The penis...

have the plates slightly expanded or dilated outward. The last visible ventrite is strongly produced. The only areas of the mesothoracic and metathoracic...

Deltochilum pauxi by having the striae wide and the males with the first ventrite not elevated and the mesofemur not modified. This species has been collected...

the two sexes can be distinguished by the shape of the last abdominal ventrite: it has a rounded apex in females and a truncate apex in males. Larvae...

and mesotibiae. Abdominal ventrites 1 and 2 are weakly concave to flat and nearly glabrous, with sparse erect scales. Ventrite 5 is flat, subglabrous at...

metafemur has an indistinct stridulatory patch near the tip. Abdominal ventrite 5 has a pair of submedian ridges, is punctate, and is sparsely setose....

epipleura absent. CuA of hind wings forked; wedge cell present. Abdominal ventrites abutting. Holotype (A,B) and paratype (C,D) specimens of Omma liassicum...

The dorsal edge of the tibiae shows a subbasal angulation. Abdominal ventrite 5 is flat, densely punctate, and covered with erect setae. The penis has...

another hard plate of the thorax, is longer than the first abdominal ventrite, or hard plate, and has a moderately to very long average discrimen. The...

half of elytra. Mesofemora consist with sparse strong setae. Abdominal ventrite V without stout setae. In male, aedeagus has widely angulate apex, large...

black, each elytron with five yellow spots. The male abdomen has several ventrites emarginated and depressed. "Global Biodiversity Information Facility"...

the hypomera, metaventrite, metaventral process, mid- and hind legs and ventrite VI. The species is named after the scarabaeoidologist and taxonomist Francois...

pair of small tubercles. The first two abdominal segments (ventrites) are flat, as is ventrite 5. Trigonopterus acuminatus is endemic to the Indonesian...

compound eyes are deeply emarginated posteriorly. There are eight abdominal ventrites. No photogenic organs. Females of this genus can fluoresce with a blue-green...

past the middle of the abdomen. There is slight furrow on the abdominal ventrites within which the proboscis is held but no furrow on the sternal region...

cabala, but may be distinguished by the density of the scales on the ventrites, as well as by the shape of the aedeagus. "Global Biodiversity Information...

Cymatodera wolcotti exhibits distinct morphological features. The sixth visible ventrite is longer and wider, extending conspicuously past the margins of the sixth...

the South Island. Distinguished from other Mecodema species by having: ventrites 4–5 bearing numerous setose punctures; elytral striae defined anteriorly...

The dorsal edge of the tibiae shows a subbasal angulation. Abdominal ventrite 5 is flat and coarsely punctate, with rows of upcurved piliform scales...

distinguished by laterally expanded female elytra, smooth mostly impunctate ventrites and shiny pygidium with apical tuft of setae "Anoplognathus olivieri"...

subapical stridulatory patch and a transverse row of denticles. Abdominal ventrite 5 has a broad impression and is sparsely covered with long, erect setae...

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

legs may be a red-brown. To reduce the abrasion of the ventral abdomen, ventrites 3–5 are covered in a large number of setae, which is one of the distinguishing...

mesotibiae. Abdominal ventrites 1 and 2 are nearly glabrous, with a few long, erect, narrow scales and a swollen lateral rim. In profile, ventrite 2 projects in...

and metaventrite is black. The abdomen is yellow except the center of ventrites I-III, which are black. The legs, mouthparts and antennae are yellow....

metanotum, anterior half of the metasternum and abdominal tergites and ventrites dark brown (with the exception of the last two). This species is named...

beetle genera with subparallel intercoxal ridges on the first abdominal ventrite (Coleoptera, Chrysomelidae, Galerucinae, Alticini)". Journal of Natural...

linea (meaning strip) and refers to the white squamose stripes of the ventrites. BioLib Schoolmeesters, P. (2025). "Amblymelanoplia albolineata at Catalogue...

elongate oval. Antennae with 11 antennomeres. Abdomen consists with six ventrites. Tarsi with four tarsomeres. Head transverse. Eyes are moderately large...

ventrites are covered with appressed, white, tawny, or iridescent green pubescence (or some combination), becoming splotchy at sides. Fifth ventrite about...

obliquely transverse. Prosternal process is broad. Abdomen has five visible ventrites. Adults are deep testaceous, whereas younger ones are much lighter. Head...

digging with their teeth, spines and/or bristles. Their abdomens have 6 ventrites and the hind wing has a spring mechanism which can fold. As larvae, the...

derived from Latin squam (meaning a scale) and refers to the dense squamose ventrites. BioLib Schoolmeesters, P. (2025). "Amblymelanoplia squamosa at Catalogue...

the hindleg attachment points, as well as femoral lines. In males, the ventrites of the abdomen have distinct bristly patches which contain pores. While...

liquid feeding mouth parts as larvae and once matured, has six abdominal ventrites and pygidial glands. Adephaga such as Megadromus antarcticus are also...

never produced anteriorly over vertex. Female with caudal surface of ventrites 2, 3, and 4 conspicuously elevated, often perpendicular or slanted anteriorly...

microsculpture. The antennae, mouthparts, legs, tip of the elytra, and abdominal ventrites II–VI are yellow. Some individuals have a pronotum that is darker than...

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

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

Cneoglossidae). A variety of byrrhoids have the first three abdominal ventrites solidly fused together. Larvae of most Limnichidae have one pair of anal...

yellow. The iridescence is variable, with some individuals have iridescent ventrites as well. The elytra, thorax, legs, and abdomen have a distinct strigulate...

prothorax and scutellum are pale yellow, and the elytra are dark brown. The ventrites are dark yellow to brown. The eyes are larger in the male. The male's...

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

darker than the pronotum. There are rows of long setae on the abdominal ventrites and on the propygidium, as well as short setae on the disc of the elytra...

on the clypeus (both sides of it) and on the third, fourth and fifth ventrites (segments on the underside of the abdomen). This species is endemic to...

denser and longer hairs in the ventrites, metasternum and tarsi. In all described species, females have a retraction in ventrites III-IV of the abdomen. The...

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