Amaga pseudobama is 19–28 mm in length. The body is broadly lanceolate with tapered extremities, the color is dark brown dorsally and light brown ventrally.
The authors of the species explained that "on the basis of examination of photographs of the live specimens only, the specimens were first considered as belonging to Obama nungara, a species originally from South America, which has now invaded a large part of Europe."[1]
Etymology
According to the authors of the taxon, the specific epithet "alludes to the species being initially identified from photographs as the darkly pigmented form of Obama nungara.[1]
Distribution
Amaga pseudobama was first found in 2020 in a plant nursery in Kinston, North Carolina, USA, in pots coming from another nursery in Georgia, USA. Specimens were also collected in Fort Myers, Florida, in 2015. Observations from citizen science suggest that the species could also be present in California and Texas.
The species is thus widespread in several states of Southern USA. Its origin is unknown, but it is known that members of the genus Amaga are all from various countries in South America.
Ecology
As other land flatworms, this animal is probably a predator of other small animals, but currently nothing is known about its prey.
Molecular information
The mitogenome of Amaga pseudobama
The complete mitogenome of Amaga pseudobama encodes for 12 protein coding genes, 2 rRNA and 22 tRNA and is colinear with those of other Geoplanidae.[1] The Elongation Factor 1-alpha gene, 18S and 28S genes were also characterised.[1]
Molecular phylogenies based on mitochondrial proteins or other genes associated Amaga pseudobama with Amaga expatria and differentiated it from Obama nungara, within a robust clade including these three Geoplaninae.
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