Parasemidalis fuscipennis

This is the only species of Coniopterygidae that can be identified by its wing venation. The male genitalia is also diagnostic. The diagnostic features are given in the image below.

Parasemidalis fuscipennis diagnostic features both wing venation and male genitalia. MCCV (crossvein between veins M and Cu1), RMCV (crossvein between veins R and M). Images: Aspöck et al 1980, Rintala and Lehto (CC BY-4.0)