Argyresthia columbia

Description

Argyresthia columbia is a moth of the family Yponomeutidae. It is found in Canada in south-eastern British Columbia and is possibly also present in Alberta. The wingspan is 12–14 mm. The forewings are straw yellow and the hindwings are pale grey. Adults are on wing from in June. The larvae feed on Larix occidentalis. They bore into the terminal twigs of their host plant.