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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » "Symphyta" - Sawflies, Horntails, and Wood Wasps » Argid Sawflies (Argidae) » Arge » larvae unidentified beyond genus (Arge larvae unidentified beyond genus)
Photo#369651
UNKNOWN CATERPILLAR - YELLOW W BLACK SPOTS - Arge
Copyright © 2010 icnaj

UNKNOWN CATERPILLAR - YELLOW W BLACK SPOTS - Arge
Raccoon Creek State Park, Raccoon Township, Beaver County, Pennsylvania, USA
September 3, 2009
Size: 1"
Found these on a wild grape vine. What struck me is the unique coloration, and the symmetry of their placement along the leaf. I dioscovered them very late in the season. There were about 15 or so sharing the same leaf. You cannot see the other 12 or so on the opposite side of the leaf.
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Contributed by icnaj on 5 February, 2010 - 11:38am
Last updated 23 August, 2012 - 9:42am

Moved
Moved from Arge.
… v belov, 23 August, 2012 - 9:42am login or register to post comments

Argidae
This is a species of Arge, but grape has never been recorded as a host plant for this genus. Very unusual. Would sure like to see adults of this.
… Dave Smith, 14 February, 2010 - 4:13pm login or register to post comments

Moved
Moved from ID Request.
… v belov, 6 February, 2010 - 1:00pm login or register to post comments

Sawfly larvae
These are sawfly larvae, and I'm going to guess family Argidae--see for instance this one, which feeds on oak:

Welcome to BugGuide!
… Charley Eiseman, 5 February, 2010 - 11:44am login or register to post comments

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