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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) » Nematinae » Willow Sawflies and allies (Nematini) » Pristiphora » Pristiphora bivittata
Photo#1071131
Pristiphora bivittata? - Pristiphora bivittata
Copyright © 2015 Molly Jacobson

Pristiphora bivittata? - Pristiphora bivittata
Merrimack, Hillsborough County, New Hampshire, USA
May 22, 2015
Found on a cultivated Spiraea. Same species as this which I found a few years ago, which was never ID:

When disturbed it would curl into an S-shape.
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Contributed by Molly Jacobson on 22 May, 2015 - 3:42pm
Last updated 3 December, 2022 - 8:56am

Moved
Moved from Pristiphora.

This perfectly matches the description of bivittata, and it is the only North American Pristiphora known to feed on Spiraea. Prous et al. (2017) list only Filipendula, Geum, and Rubus as hosts for P. pallidiventris.
… Charley Eiseman, 3 December, 2022 - 8:56am login or register to post comments

Moved
Moved from Unidentified Sawfly Larvae.
… Charley Eiseman, 12 August, 2019 - 7:28pm login or register to post comments

Pristiphora sp. at least
may be P. bivittata but there are several species on Spiraea.
For example, P. pallidiventris also looks like.
… Alexander Boldyrev, 9 August, 2019 - 3:43pm login or register to post comments

Moved
Moved from "Symphyta" - Sawflies, Horntails, and Wood Wasps.
… v belov, 11 June, 2015 - 3:18pm login or register to post comments

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