Phyllonorycter stettinensis

Description

Phyllonorycter stettinensis is a moth of the family Gracillariidae. It is found from Scandinavia and Finland to the Pyrenees, Corsica, Italy and Bulgaria and from Great Britain to Russia. The wingspan is 6.5-7.5 mm. There are two generations per year with adults on wing in May and again in August. The larvae feed on Alnus cordata, Alnus glutinosa and Alnus incana. They mine the leaves of their host plant. They create an upper-surface, fairly small, almost flat tentiform mine with a yellow green colour. The mine has a single, fairly strong fold. The mine is mostly positioned over a lateral vein. The frass is deposited in a clump in a corner of the mine.