Cochylidia heydeniana (Herrich-Schäffer, 1851)
blue-fleabane conch
on Erigeron
parasite
The larvae of the first generation live in the flower heads; those of the second generation live in the peduncle; there also they hibernate and pupate.
host plants
Asteraceae, monophagous
Erigeron acris, canadensis.
From Spain also mentioned from Dittrichia viscosa; Pulicaria dysenterica; Solidago virgaurea.
distribution within Europe
pupa
See Patočka & Turčáni.
references
Bradley, Tremewan & Smith (1973a), Hancock & Bland (2015a), Huertas Dionisio (2007a), Kovács & Kovács (2020a), Patočka & Turčáni (2005a), Requena i Miret (1998a).