Last modified: Dec. 6, 2024, 5:01 p.m.
A rare and local species in Belgium.
Native
The caterpillar lives in a small silken case of about 5–6 mm.
See also bladmineerders.be.
The larvae eat the seeds of the food plant. They overwinter and pupate in the case.
The adults are on the wing from the end of May till the beginning of September.