Argyresthia columbia
Argyresthia columbia is a moth of the family Yponomeutidae first described by Thomas Nesbitt Freeman in 1972. 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. References

Moths described in 1972
Argyresthia
Moths of North America