Last modified: June 18, 2021, 12:45 p.m.
A very rare species in Belgium.
See also bladmineerders.be
The young larva makes a white blotch mine in a lower leaf of the food plant. Later on, it lives in a thick web, often several larvae in the same web.
Pupation in a dense white silken cocoon amongst detritus on the ground. The pupa hibernates.
The adults occasionally come to light.
The adults fly from early May till mid June.
The young lives in a lower leaf of Prunus spinosa.