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) » Mayflies (Ephemeroptera) » Pisciforma » Heptagenioidea » Flatheaded Mayflies (Heptageniidae)
Photo#1004755
Mayfly nymph, Heptageniidae
Copyright © 2014 Robert Gillespie

Mayfly nymph, Heptageniidae
North Bear Creek, Winneshiek County, Iowa, USA
September 28, 2014
Size: 5mm
The specimen was found under a rock in North Bear Creek. Several of this type were found but this was one of the largest. It has three tails.
tag · login or register to post comments
Contributed by Robert Gillespie on 2 October, 2014 - 10:09pm
Last updated 9 November, 2014 - 10:02pm

Maccaffertium
Maccaffertium and likely vicarium based on the shovel shaped head the orange unbanded tails and the black transverse band crossing over the 10th tergite.
… The Stenonema Rangers of Ontario, 18 November, 2015 - 6:13pm login or register to post comments

Moved
Moved from Mayflies.
… Roger Rohrbeck, 9 November, 2014 - 10:02pm login or register to post comments

Heptagehiidae
Hi Robert-

Katie has correctly identified this mayfly nymph as being a of family Heptageniidae, and I further suspect it to be of genus Maccaffertium.
… Roger Rohrbeck, 9 November, 2014 - 10:01pm login or register to post comments

Moved
Moved from ID Request.
… john and jane balaban, 9 November, 2014 - 5:31pm login or register to post comments

Family Heptageniidae
Looks to be in the mayfly family Heptageniidae:
http://bugguide.net/node/view/22105
… Katie C, 7 October, 2014 - 2:30pm 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