Figure 4 from: 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

Figure 4 Comparison of selected diagnostic characteristics of females of Schwarziaelizabethae Bossert, sp. n. (left column: A, C, E) vs. S.emmae Eardley, 2009 (right column: B, D, F) 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 details of T5. Arrows point to the differently curved median area of the disc