Last modified: Dec. 10, 2025, 12:14 p.m.
A very rare species in Belgium.
Native
The young larva makes a white blotch mine in the lower leaf of the food plant. Later on, it lives in a thick web, often with 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 April till mid-June, very occasionally later.
The young lives in a lower leaf of Prunus spinosa.