Figures 39-48 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 39-48 - Mid and hind tibial organ. Not on the same scale. 39–40 Tetragoneura sp. (New Zealand) mid tibia 41–42 Tetragoneura sp. (Far East) mid tibia 43–44 Synapha fasciata, mid tibia 45–48 Docosia diutina, hind tibia 45 General outer view of hind tibia, the arrowhead points to the tibial organ 46 Tibial organ with densely set setae and and few sensilla chaetica, the arrowheads point to 2 of them 47–48 Sensilla chaetica in detail.