Figures 22-32 from: Liston A, Mutanen M, Viitasaari M (2019) On the taxonomy of Heterarthrus (Hymenoptera, Tenthredinidae), with a review of the West Palaearctic species. Journal of Hymenoptera Research 72: 83-126. https://doi.org/10.3897/jhr.72.39339

Figures 22-32 Heterarthrus22–24 hypopygia: 22H. wuestneii DEI-GISHym20656 23H. cuneifrons DEI-GISHym31984 24H. fiora sp. nov. DEI-GISHym31976 25–28 valvulae 3 dorsal: 25H. microcephalus DEI-GISHym11397 26H. leucomela DEI-GISHym83894 27H. ochropoda DEI-GISHym83895 28H. vagans DEI-GISHym83896 29H. leucomela ♀ DEI-GISHym83894 lateral 30, 31H. ochropoda ♀ DEI-GISHym83895 lateral, dorsal 32H. vagans ♀ DEI-GISHym83897 dorsal. Scale bar: 1mm.