Peucedanum ostruthium, France, Rhône Alpes, Haute Savoie, Bionnassay, 1700 m © Arnold Grosscurt

host plants

Apiaceae

Peucedanum ostruthium.

note

This gall comes closest to what is described by Buhr (1964b) under number 4660. The gall reminds of Contarinia nicolayi on Heracleum sphondylium.