Red Birch Slender

Caloptilia betulicola, the red birch slender, is a moth of the family Gracillariidae. It is found from Scandinavia and the north of European Russia to the Pyrenees and Alps and from Ireland to Poland and Slovakia. In the east it is found up to China, Japan and the Russian Far East.

The wingspan is 14–16 millimetres (0.55–0.63 in). It is very similar to Caloptilia elongella and both species are quite variable.Identification requires microscopic examination of the genitalia.