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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 » pectoralis group (Arge pectoralis group) » Birch Sawfly (Arge pectoralis)
Photo#988371
Birch Sawfly Larva (Arge pectoralis) - Arge pectoralis
Copyright © 2014 Nikole Loomis (Bush Cricket and Buckeye Lover)

Birch Sawfly Larva (Arge pectoralis) - Arge pectoralis
Chester County, Pennsylvania, USA
August 31, 2014
I know this is some kind of Sawfly Larva, but I don't know what the specific species is. I think it may be in the Arge Genus. The host Plant was a originally thought to be a Beech tree, but upon further inspection, was identified as a birch. The lighting was poor in most spots, so I placed the birch leaf on top of an oak leaf, where the light was actually shining. The lighting was still pretty poor though.

Images of this individual: tag all
Birch Sawfly Larva (Arge pectoralis) - Arge pectoralis Birch Sawfly Larva (Arge pectoralis) - Arge pectoralis Birch Sawfly Larva (Arge pectoralis) - Arge pectoralis
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Contributed by Nikole Loomis (Bush Cricket and Buckeye Lover) on 31 August, 2014 - 2:11pm
Last updated 15 September, 2014 - 10:12am

Moved
Moved from larvae unidentified beyond genus.
… Nikole Loomis (Bush Cricket and Buckeye Lover), 15 September, 2014 - 10:11am login or register to post comments

Moved
Moved from Unidentified Sawfly Larvae.
… v belov, 1 September, 2014 - 8:32am login or register to post comments

Argidae
Arge sp. None have been recorded from beech, so don't know what species it might be. Larvae are difficult to place anyway.
… Dave Smith, 1 September, 2014 - 8:05am login or register to post comments

 
Yeah.
Hey, I was wrong about host plant. It was a Birch, not a Beech. In which case, it is Arge pectoralis. It looks very similar to those, so that would make sense.
… Nikole Loomis (Bush Cricket and Buckeye Lover), 1 September, 2014 - 8:47am login or register to post comments

Moved for expert attention
Moved from ID Request.

If you know what plant it was on, that could be helpful.
… Ken Wolgemuth, 31 August, 2014 - 6:13pm login or register to post comments

 
It was on....
A beech tree, I think. There was 4 of them. I would be more than happy to post a picture of the group. They were eating the leaves from the tree. The tree was quite young, so maybe it wasn't a beech tree. Actually, it might be a birch. Let me check.
… Nikole Loomis (Bush Cricket and Buckeye Lover), 31 August, 2014 - 8:58pm login or register to post comments

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