Figures 1-4 from: Li T, Zhou X, Chen B (2013) Two new species of the genus Discoelius Latreille (Hymenoptera, Vespidae, Eumeninae) from China, with a key to the Chinese species. Journal of Hymenoptera Research 32: 45-54. https://doi.org/10.3897/jhr.32.4958

Figures 1-4 - Discoelius nigriclypeus Zhou and Li, sp. n.♀. 1 general habitus (lateral view) 2 frons and clypeus 3 metasomal segment 1 (lateral view) 4 metasomal segments 2-6 (lateral view). Scale bar: 1mm.