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Caloptilia roscipennella is a moth of the family Gracillariidae. It is known from all of central and southern Europe.

Caloptilia roscipennella
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Gracillariidae
Genus:	Caloptilia
Species:	C. roscipennella
Binomial name
Caloptilia roscipennella (Hübner, 1796)[1]
Synonyms
Tinea roscipennella Hübner, 1796

Adults are on wing from August to May and hibernate.[2]

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.[3] Pupation under a silk membrane in a conical roll at the edge of a leaf.

References

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