Cheilosia himantopus (Panzer, 1798)

on butterbur

parasite

Generally but one egg is deposited on the convex side of a petiole, near he base of the leaf. The larva descends as a borer towards the rhizome, and hibernates there. Pupation after the winter in the rhizome.
Ar variance to what is said above (based on Stuke & Claußen), Vujić & Šikoparija write that the larvae develop in leaf buds, and state Reemer cs that the larvae develop in the peduncle.

host plants

Asteraceae, monophagous

Petasites albus, hybridus, kablikianus.

distribution within Europe

(PESI, 2019).

references

Reemer, Renema, van Steenis ao (2009a), Smit, Reemer & Renema (2001a), Speight (2017a [“himantopa”]), Stuke & Claußen (2000a), Vujić & Šikoparija (2001a).

mod 16.vi.2019