Eucosma sonomana

Eucosma sonomana, the western pineshoot borer, is a moth of the Tortricidae family. It is found in western North America. The wingspan is 16–22 mm. Adults are on wing for two to three months during the spring. There is one generation per year. Larvae feed on pine species and is considered a pest on Pinus ponderosa. They mine the pith of terminal shoots.