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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) » Allantinae » Empriini » Monsoma » Green Alder Sawfly (Monsoma pulveratum)
Photo#381754
Sawfly - Monsoma pulveratum
Copyright © 2010 Andrew McKorney

Sawfly - Monsoma pulveratum
Vancouver, Clark County, Washington, USA
April 1, 2010
Size: 8-10 mm
Looks like a member of Tenthredinidae (common sawflies) family.

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Sawfly - Monsoma pulveratum Sawfly - Monsoma pulveratum
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Contributed by Andrew McKorney on 4 April, 2010 - 1:57am
Last updated 5 April, 2010 - 9:28pm

Moved
Moved from ID Request.
… John F. Carr, 5 April, 2010 - 9:28pm login or register to post comments

Tenthredinidae, Allantinae
This is Monsoma pulveratum, an alder feeding sawfly. A European sawfly that was first found in N. Amer. in Newfoundland 10-15 years ago, and just the last few years in Alaska where is it quite a serious pest of alders. I've not seen this from anywhere else in N. Amer.
… Dave Smith, 4 April, 2010 - 7:50pm login or register to post comments

 
Monsoma pulveratum
Dave, thank you very much for your ID! There are a lot of alder trees in that place, but that was a first time when I've seen this sawfly there. So, looks like it's coming to the Pacific Northwest:)
Could you please move it to the species page?
… Andrew McKorney, 4 April, 2010 - 10:39pm login or register to post comments

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