''Thoasia pterosmaragdos'', the emerald-winged pentagonal arboreal carabid, is a species of

beetle Beetles are insects that form the order Coleoptera (), in the superorder Endopterygota. Their front pair of wings are hardened into wing-cases, elytra, distinguishing them from most other insects. The Coleoptera, with about 400,000 describ ...

in the family

Carabidae Ground beetles are a large, cosmopolitan family of beetles, the Carabidae, with more than 40,000 species worldwide, around 2,000 of which are found in North America and 2,700 in Europe. As of 2015, it is one of the 10 most species-rich animal fami ...

. It is found in French Guiana.

Description

They are macropterous and capable of flight. Standard body length is 4.21–4.39 mm. Elytra entirely metallic dark emerald shiny. Pronotum moderately narrow. Abdomen Sparsely setiferous.

References

Lebiinae Beetles described in 2018 {{Lebiinae-stub