Английская Википедия:Caloptilia roscipennella
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Caloptilia roscipennella is a moth of the family Gracillariidae. It is known from all of central and southern Europe.
Adults are on wing from August to May and hibernate.[1]
The larvae feed on Juglans regia. They mine the leaves of their host plant. The mine consists of an epidermal corridor, which is either lower- or upper-surface. The corridor widens into a tentiform mine, usually close to the leaf margin. Older larvae leave the mine and live in a leaflet, rolled into a tube.[2] Pupation under a silk membrane in a conical roll at the edge of a leaf.
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