Rustic Quaker Moth Caterpillar

forewing medium gray or brown with black triangle on collar and large pale-margined orbicular and reniform spots, often touching; AM and ST lines straight, pale yellow or whitish; PM line same color, bent at sharp angle just below reniform spot; black spots on veins below PM line; terminal line crenulate (many small scallops) almost touching outer margin; hindwing dark grayish-brown.