Apices of the penis valves in the Trachusa pubescens complex. Hook-shaped apices (left) are found in Trachusa balcanica sp. n., T. maxima, T. hakkariensis sp. n., and T. verhoeffi. The apices of the penis valves are straight only in T. pubescens (right).

 
 
  Part of: Kasparek M (2018) Taxonomic revision proves Trachusa pubescens (Morawitz, 1872) sensu lato to be a complex of allopatric and sympatric species in South-Eastern Europe and Western Asia (Hymenoptera, Apoidea, Anthidiini). ZooKeys 764: 111-144. https://doi.org/10.3897/zookeys.764.24581