Family Geometridae Hodges # 7640
Caterpillar foods: poplar most often; also willow (Wagner), white birch, tamarack (Bugguide); caterpillars rest stretched out on the underside of poplar leaves during the day (Wagner).
5/10/2022
4/18/2016
5/3/2016
5/13/2009 – Found during the day on a birch trunk