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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » "Symphyta" - Sawflies, Horntails, and Wood Wasps » Common Sawflies (Tenthredinidae) » Tenthredininae » Tenthredopsini » Aglaostigma » Aglaostigma semiluteum
Photo#350715
Jewelweed sawfly larva - Aglaostigma semiluteum
Copyright © 2009 Charley Eiseman

Jewelweed sawfly larva - Aglaostigma semiluteum
Valley Ridge, South Burlington, Chittenden County, Vermont, USA
August 11, 2005
Found feeding on jewelweed (Impatiens).

Images of this individual: tag all
Jewelweed sawfly larva - Aglaostigma semiluteum Jewelweed sawfly larva - Aglaostigma semiluteum
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Contributed by Charley Eiseman on 10 November, 2009 - 11:20am
Last updated 25 June, 2020 - 11:13am

Moved
Moved from Tenthredininae.

Cool-- 15 years later I still have only encountered this once, but there's plenty of Impatiens around my house and I'll keep an eye out this summer for larvae to rear.
… Charley Eiseman, 25 June, 2020 - 11:13am login or register to post comments

 
Nice!
It will be cool to see if you get anything.

We've got Impatiens capensis right outside the lab, I've been walking past it for years now but have only ever seen leaf mines on it. Then again, I was only clued in that Aglaostigma eats it after a post on Twitter the other day, and only found my way here through a link on iNaturalist this morning. Serendipity!
… Spencer K. Monckton, 25 June, 2020 - 11:40am login or register to post comments

Aglaostigma, probably
Aglaostigma is the only thing known from Impatiens. But, see comments here.
… Spencer K. Monckton, 25 June, 2020 - 9:01am login or register to post comments

Moved
Moved from Unidentified Sawfly Larvae.
… Charley Eiseman, 23 August, 2019 - 6:36pm login or register to post comments

I can’t count the annulets,
I can’t count the annulets, but it’s probably the same
https://bugguide.net/node/view/654727/bgimage
https://bugguide.net/node/view/548604/bgimage
… Alexander Boldyrev, 23 August, 2019 - 4:16pm login or register to post comments

Jewelweed sawfly larva
I saw what looked like this larva today on jewelweed in Falmouth, MA. I'll try to find it and rear it out.
… Hannah Nadel, 11 August, 2011 - 9:10pm login or register to post comments

 
Good luck!
This is the only one I've ever seen, but apparently now is the time to look for them, since I took this picture six years ago to the day!
… Charley Eiseman, 11 August, 2011 - 9:13pm login or register to post comments

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