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Willow Oak Sawfly larvae - Arge quidia

Willow Oak Sawfly larvae - Arge quidia
Ballston Lake, Saratoga County, New York, USA
August 12, 2010
These sawfly larvae were devouring the leaves on a small oak tree. ID help appreciated.

Moved from Argid Sawflies.

Arge quidia Smith, 1989. Typical appearance for this Arge on oaks.

Thanks, Dave.
It appears quite different than this one . Are they color variants, or is Tom's specimen misidentified?

Arge -
Tom's specimen is probbly different, though I don't know of other Arge that feed on oak. Arge quidia typically has a black head and lacks the black spots on the body.


Looks the same as

Unfortunately that hasn't been ID'd much more...

Thanks, Andrew.