Phyllonorycter ostryae

Description

Phyllonorycter ostryae is a moth of the family Gracillariidae. It is known from Hokkaidō island of Japan. The wingspan is 5.5-6.5 mm. The larvae feed on Ostrya japonica. They mine the leaves of their host plant. The mine has the form of a ptychonomous leaf mine, occurring along the margin on the underside of the leaf.