Acronicta fragilis
Acronicta fragilis (Fragile Dagger Moth)
"Double sharply zigzag lines as a part of grey white and black pattern on front wings are distinctive. "Orbicular spot grey to white with darker center. Hindwing yellowish white with faint grey median line and outer shading." Newfoundland to Florida, west across Canada, south to Kentucky and Minnesota. Larvae feed on apple, birch, plum, willow, white spruce." https://bugguide.net/node/view/212064
See also
http://mothphotographersgroup.msstate.edu/species.php?hodges=9241
https://www.butterfliesandmoths.org/sighting_details/1194789
Acronicta fragilis (fragile dagger moth) is a moth of the family Noctuidae. It is found from Newfoundland to Florida, west across Canada, south to Kentucky and Minnesota. It is listed as a species of special concern in the US state of Connecticut.