Metzneria aprilella (Herrich-Schäffer, 1854)
brilliant neb
on greater knapweed
parasite
The larvae in the flower heads, that remain closed.
host plants
Asteraceae, monophagous
Centaurea scabiosa.
phenology
The larve hibernates in an silken lined cavity in the receptacle.
distribution within Europe
larva
White, head brown.
references
Bland, Corley, Emmet ao (2002a), Kaitila 1996a), Kasy (1987a), Pinzari, Pinzari & Zilli (2013a) .