Last modified: April 18, 2020, 1:30 p.m.
A fairly common species throughout Belgium.
See also bladmineerders.be
The young larva mines in a short and narrow gallery. Later, it feeds externally on the leaf, creating small feeding windows. Pupation in a yellow-brown, ribbed cocoon, darkening with age. The adults are active in the evening.
The adults have been observed from mid May till August.