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Argid Sawfly

Posted by August 30th, 2009 at 2:44 pm

Categories

Horntails, Wood Wasps and Sawflies

Giant orange caterpillar
August 29, 2009
Can you identify this caterpillar? Seen in eastern PA on a canal towpath in August, length about 4″, width over .5″.
Elissa
Bethlehem PA

Argid Sawfly Larva

Argid Sawfly Larva

Dear Elissa,
Unless this is an irradiated mutant, we doubt that the Argid Sawfly Larva you found was 4 inches long.  Argid Sawflies are not Caterpillars, but are non-stinging relatives of wasps.  We cannot tell you the exact species, but we are linking to an image on bugguide that looks similar to your example.

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