Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
 

Register · Log In
HomeGuideID RequestRecentFrassForumsDonateHelp
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar
Upcoming Events

Registration is open for the 2024 BugGuide gathering in Idaho July 24-27

Moth submissions from National Moth Week 2023

Photos of insects and people from the 2022 BugGuide gathering in New Mexico, July 20-24

Photos of insects and people from the Spring 2021 gathering in Louisiana, April 28-May 2

Photos of insects and people from the 2019 gathering in Louisiana, July 25-27

Photos of insects and people from the 2018 gathering in Virginia, July 27-29


Previous events
TaxonomyBrowseInfoImagesLinksBooksData
Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Ants, Bees, Wasps and Sawflies (Hymenoptera) » "Symphyta" - Sawflies, Horntails, and Wood Wasps » Webspinning and Leafrolling Sawflies (Pamphiliidae) » Cephalciinae » Acantholyda » Pine False Webworm (Acantholyda erythrocephala)
Photo#1662826
Yellow-faced webspinning sawfly - Acantholyda erythrocephala - male
Copyright © 2019 Spencer K. Monckton

Yellow-faced webspinning sawfly - Acantholyda erythrocephala - Male
Killarney Provincial Park, Manitoulin, Ontario, Canada
May 15, 2019
Size: 1.2 cm
Found floundering on George Lake. Unfortunately I was unable to collect the specimen as this was in a protected area. ID is Pamphilius sp. from what I can see in the photos. Appears to be a species not yet pictured in the Guide.

Images of this individual: tag all
Yellow-faced webspinning sawfly - Acantholyda erythrocephala - male Yellow-faced webspinning sawfly - Acantholyda erythrocephala Yellow-faced webspinning sawfly - Acantholyda erythrocephala
tag · login or register to post comments
Contributed by Spencer K. Monckton on 18 May, 2019 - 12:34pm
Last updated 19 July, 2021 - 2:47am

Moved
Moved from Pamphilius.
… v belov, 19 July, 2021 - 2:47am login or register to post comments

Acantholyda erythrocephala?
I just collected 2 males (like this one in the photo, not a female) along with a female on a Mugo pine here in Sault Ste. Marie, Ontario. I think this is the "red-headed pine sawfly". The females are much more recognizable though the males are also distinctive. Just the same, I am not familiar with all Nearctic species. Photos #874097 & -98 represent the only male among the photos gathered under that name.
… Kevin Barber, 13 May, 2021 - 6:40pm login or register to post comments

 
I think you must be right!
Thank you! I'm afraid I'm not very good with pamphiliids (though I'd like to think there's a better chance I'd at least have got the right genus if I submitted this yesterday!). Acantholyda erythrocephala it is.
… Spencer K. Monckton, 13 May, 2021 - 9:13pm login or register to post comments

Cropping the pics...
...would allow site visitors to get a better look at the critter. Only you and the editors have the ability to view the full-size images. Everyone else is left looking at a little sawfly in a lot of unnecessary background. :)

You can click on "edit" under each pic and simply upload a cropped version. It will replace the current image.

Thanks!
… Ken Wolgemuth, 18 May, 2019 - 1:12pm login or register to post comments

 
Noted, thanks!
They'd already been cropped, but evidently I overestimated the display size. I've cropped them closer now. A shame the full-size view is not available to all users!
… Spencer K. Monckton, 18 May, 2019 - 2:09pm login or register to post comments

 
Lookin' good
Thanks!
… Ken Wolgemuth, 18 May, 2019 - 2:23pm login or register to post comments

Comment viewing options
Select your preferred way to display the comments and click 'Save settings' to activate your changes.

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 © 2003-2024 Iowa State University, unless otherwise noted.

Bugguide is hosted by:

Plant Pathology, Entomology and Microbiology at Iowa State University logo

Printer Friendly Version 		Terms of Use
Privacy Statement
Site Map
Contact