Last modified: April 15, 2021, 1:02 p.m.
A very rare and local species, confined to areas where the foodplant, Campanula trachelium, grows.
Its main stronghold is the Gaume in the southern part of LX, but even then it's not observed often.
Native
The adults are on the wing from mid June to July. The come to light in small numbers.
The larva is to be found in the flowers and seed capsules of the foodplant in August and September. The species hibernates as a pupa among plant debris.