Comparison of selected diagnostic characteristics of males of Schwarzia elizabethae Bossert, sp. n. (left column: A, C, E, G) vs. S. emmae Eardley, 2009 (right column: B, D, F, H) A–B discs of T1 and T2 C–D head characteristics in lateral view. Arrows point to finely pitted protrusions on frontal area of S. emmae and to the intended inner margin of the compound eye E–F antennae G–H tegulae.

 
 
  Part of: Bossert S (2019) Monotypic no more – a new species of the unusual genus Schwarzia (Hymenoptera, Apidae, Biastini). Journal of Hymenoptera Research 69: 23-37. https://doi.org/10.3897/jhr.69.32966