Phyllonorycter ulmi

Description

Phyllonorycter ulmi is a moth of the family Gracillariidae. It is known from Japan (Hokkaido island), Korea and the Russian Far East. The wingspan is 5–6 mm. The larvae feed on Ulmus davidiana var. japonica, Ulmus japonica, Zelkova serrata and Ulmus laciniata. They mine the leaves of their host plant. The mine is ptychonomous and created on the upper surface of the leaves.