Owen's Angle

Macaria oweni, Owen's larch looper or Owen's angle moth, is a moth of the family Geometridae. The species was first described by Louis W. Swett in 1907. It is found in North America from Newfoundland to west-central Alberta, south in the east to northern New England.

The wingspan is about 23 mm. Adults are on wing from June to mid-July in Alberta. There is probably one generation per year.

The larvae feed on Larix laricina.