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Ametastegia pallipes?

Ametastegia pallipes?
Thompsontown, Juniata County, Pennsylvania, USA
September 16, 2019
Looks like others ID'd by Dave Smith...

...but I've never seen one so late in the year.

Moved from Common Sawflies.

Looks right to me, but I can't quite make out any of the necessary diagnostic features to determine genus. Different species of Ametastegia undergo differing numbers of generations per year, such that adults in September would not be unheard of - especially for a year like this one. The collection date probably also indicates this is indeed Ametastegia rather than, e.g., Aphilodyctium fidum (which is only out in the spring/early summer).

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