Last modified: Jan. 28, 2020, 12:57 p.m.
A very rare and local species in Belgium.
The fore wings are greyish, slightly shining, with no darker dots. The antennae are ringed till the middle or just beyond.
Wingspan is 10.5–14 mm.
See also bladmineerders.be
The eggs are deposited at the under side of a leaf.
Larvae are found from mid August, they are fully grown at the end of October.
Pupation takes place only after hibernation. Pupation in the case attached to a twig of the food plant or nearby vegetation.
The adults fly in one generation a year; from late May towards early July.