Caterpillar foods: many recorded hosts including alder, birch, Prunus sp., willow, linden, elm, viburnum, fir, hickory, larch, pine, spruce (Bugguide)
5/20/2012 On a yellow iris blossom (in the yard around where the old farmhouse used to be)
6/7/2013 – came to UV lights
8/21/2018 Larva found on Black Cherry
9/8/2018 Pupa – kept over the winter in the frig; taken outside at the end of March 2019
6/8/2019 Adult female emerged (She may have emerged a day or so ago – but I saw her today.)
6/8/2019 By the time I saw her, she was dumping eggs.