Last modified: Oct. 2, 2020, 11:46 a.m.
A rare species in Belgium, with the bulk of observations in Flanders.
No real cocoon, just a silken membrane.
Pupation under a silk membrane in a conical roll at the edge of a leaf. The adults hibernate.
One generation per year: August, after hibernation till May.
Monophagous on Juglans regia.