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Photo#873322
Cimbex? - Cimbex americanus

Cimbex? - Cimbex americanus
Pelham, Hampshire County, Massachusetts, USA
July 5, 2013
On Betula populifolia. I'm thinking the two brown spots indicate tachinid larvae inside?

Moved
Moved from Elm Sawfly.

Moved
Moved from Cimbicid Sawflies.

Cimbicidae
Cimbex Americana Leach. The brown spots could be parasitoids.

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