Last modified: Nov. 7, 2019, 12:32 p.m.
A rare species in Belgium, but as with many members of this family, it's often overlooked.
The fore wings are light grey till light brown with lighter stripes. The antennae are ringed alternating white and grey. The wing span is 12–14,5 mm.
The case is brown and made of silk. It is trivalved, 6–8 mm, with a mouth angle of 10°.
See also bladmineerders.be.
The eggs are oviposited on the flowers. Generally this species lives in the inflorescence, feeding on the flowers; very rarely however it behaves as a leafminer feeding on the leaves of the plant. Larvae from August till November. Cases can be found on the flowers till well in November, they hibernate or on the plant itself or in the neighborhood at ground level.
The adults fly from the end of May till the beginning of July.