Triepeolus concavus, female.

Triepeolus concavus, female.
Photographer: Rightmyer, MollyRights holder: Magnolia Press. Published in Rightmyer, M. G. (2008) Zootaxa, 1710, 1–170.

Triepeolus concavus (Cresson), female, lateral psuedopygidial area, from California.