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Patalene olyzonaria
Looked it up on moth photographers group and I'm amazed at the variation... from very hooktipped to almost no hook and looking more like the average geometer. I almost wished I could immerse myself on the eastern seaboard... almost
I agree with Patalene olyzonaria. Drepana arcuata is similar, although the dark line doesn't continue on the hindwing in that species.