Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » "Symphyta" - Sawflies, Horntails, and Wood Wasps » Stem Sawflies (Cephidae) » Cephini » Trachelus » Black Grain Stem Sawfly (Trachelus tabidus)
Photo#406607
wasp? - Trachelus tabidus
Copyright © 2010 Molly Jacobson

wasp? - Trachelus tabidus
Merrimack, Hillsborough County, New Hampshire, USA
May 23, 2010
Size: small
I see them all the time on blades of grass.
Contributed by Molly Jacobson on 6 June, 2010 - 4:39pm
Last updated 25 July, 2015 - 6:18pm

thanks for the addition, Molly
Moved from Stem Sawflies.
… v belov, 6 June, 2010 - 6:51pm

Cephidae
Trachelus tabidus. Also known as the black grain stem sawfly. An introduced species. I have records from NY to VA west to MI, OH. This is the first I've seen from New Hampshire. Could I get a few specimens?
… Dave Smith, 6 June, 2010 - 6:35pm

 
sure
I'd be happy to help. but it seems Trachelus tabidus isn't in the guide. Where should i put this pic for now?
… Molly Jacobson, 6 June, 2010 - 6:37pm

Moved
Moved from Ants, Bees, Wasps and Sawflies.
… Molly Jacobson, 6 June, 2010 - 6:27pm

Cephidae
Dr Smith will tell more
… v belov, 6 June, 2010 - 5:08pm

Disclaimer: Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office.

Contributors own the copyright to and are solely responsible for contributed content.
Click the contributor's name for licensing and usage information.
Everything else copyright © 2003-2025 Iowa State University, unless otherwise noted.

Bugguide is hosted by:

Plant Pathology, Entomology and Microbiology at Iowa State University logo