Last modified: Dec. 2, 2024, 2:57 p.m.
A rare species throughout Belgium.
Native
The larva feeds gregariously between the achenes, several of which it spins together, and hollows them out. There is no visible evidence of its presence.
Hibernates as a larva and pupates in a cocoon in the seed head on the food plant.
The adults come to light in small numbers.
The adults fly from late May towards mid-August in one generation a year.
The larva feeds on Arctium lappa, Arctium minus, Arctium tomentosum and Arctium nemorosum
It inhabits in suitable localities where the food plant occurs and is found in a wide range of habitats.