Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Stoneflies (Plecoptera) » Perloidea » Perlodid Stoneflies (Perlodidae)
Photo#1350929
Stonefly, Periodinae?
Copyright © 2017 Dale and Elva Paulson

Stonefly, Periodinae?
Osprey Landing, Umpqua River, about 10 miles downstream from Umpqua, Douglas County, Oregon, USA
March 21, 2017
Size: nearly an inch
Do both sexes have cerci?

Images of this individual: tag all
Stonefly, Periodinae? Stonefly, Periodinae?
Contributed by Dale and Elva Paulson on 28 March, 2017 - 12:42am
Last updated 28 March, 2017 - 3:41pm

Moved
Moved from Stoneflies.

Probably Isoperlinae, but I would need to examine the specimen under the scope to be sure. Yes, both sexes will have the cerci. This is a female. The males have different (genitalic) structures on the last abdominal segment.
… Brady Richards, 28 March, 2017 - 3:41pm

Moved
Moved from ID Request.
… v belov, 28 March, 2017 - 12:44am

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