Posted by von Tschirnhaus on 19-11-2022 13:16
#4
Chloropidae: Thaumatomyia notata (Meigen, 1830) female; confirmed. It ingested honey dew or another fluid. The species is known to suck up repellent orange exsudates of Agelastica alni (Chrysomelidae), too, published by my deceased teacher Prof. Pschorn-Walcher.