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Photo#185147
Yellow Caterpillar - Arge pectoralis

Yellow Caterpillar - Arge pectoralis
Thornton, New Hampshire, USA
August 10, 2007
Can anybody help me ID this caterpillar, I'm stuck.

Moved

Argidae
Arge sp. Not A quidia; A. pectoralis is more likely, as suggested.

Argid?
*

 
I think I've narrowed it down
I think I've narrowed it down to two possibilities: Arge pectoralis and Arge quidia. I believe it to be A. pectoralis (Birch sawfly) because the black dots are smaller than the latter.

Moved

Sawfly larva
Try scanning through these.

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