Family Geometridae | Genus Eupithecia Rank Species | |
 | ||
Similar Eupithecia tripunctaria, Grey pug, Eupithecia innotata, Juniper pug, Tawny speckled pug | ||
The larch pug (Eupithecia lariciata) is a moth of the family Geometridae. The species can be found in Europe, the Ural Mountains, West and Central Siberia, the Altai Mountains, Transbaikalia, Yakutia, the Far East, Mongolia, Korea, Japan and in North America, from Yukon and Newfoundland to New York and Arizona.
The wingspan is 19–22 mm. The length of the forewings is 10–12 mm. The ground colour of the forewings is whitish grey with dark crosslines.The median crossline is sharply angulated. There is a series of small dark stains on the costal margin and tuft of white hairs on the thorax. The hindwings are whitish grey with a small dark spot in the tornal area.
The moths fly in one generation from May to June. They are attracted to light.
The caterpillars feed on larch.
Subspecies
Eupithecia lariciata mesodeicta was raised to species rank in 2008.