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) » True Bugs, Cicadas, Hoppers, Aphids and Allies (Hemiptera) » Plant-parasitic Hemipterans (Sternorrhyncha) » Aphidoidea » Aphids (Aphididae) » Witch Hazel Gall Aphids and Palm Aphids (Hormaphidinae) » Hamamelistes » Spiny Witch Hazel Gall Aphid (Hamamelistes spinosus)
Photo#515652
Spiny Witch Hazel Gall Aphids - Hamamelistes spinosus
Copyright © 2011 Karl Hillig

Spiny Witch Hazel Gall Aphids - Hamamelistes spinosus
Ballston Lake, Saratoga County, New York, USA
May 13, 2011
These were in an infold on the bottom of a paper birch leaf. ID help appreciated.
tag · login or register to post comments
Contributed by Karl Hillig on 13 May, 2011 - 9:05pm
Last updated 14 May, 2011 - 7:12am

Moved
Moved from ID Request.
… Charley Eiseman, 14 May, 2011 - 6:52am login or register to post comments

 
Thanks, Charley.
Looks like they go after more than one kind of birch. I just planted some River Birch and Witch Hazel, but as far as I know we don't have any native trees of either species nearby. Are these adult females?
… Karl Hillig, 14 May, 2011 - 7:05am 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