Figures 31-38 from: Kallweit U (2013) Review of the Palaearctic Acomopterella Zaitzev (Diptera, Sciaroidea, Mycetophilidae). ZooKeys 269: 11-32. https://doi.org/10.3897/zookeys.269.4252

Figures 31-38 - Mid tibial organ. Not on the same scale. 31–32 Acomopterella yoshiwae sp. n. 33–34 Acomopterella martinovskyi 33 General outer view of mid tibia, the arrowhead points to the tibial organ 35–36 Speolepta leptogaster 37–38 Ectrepesthoneura hirta.