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) » Maccaffertium » Maccaffertium mediopunctatum » Maccaffertium mediopunctatum mediopunctatum
Photo#1331443
Heptageniidae (Flatheaded Mayfly), dorsal - Maccaffertium mediopunctatum - female
Copyright © 2017 MJ Hatfield

Heptageniidae (Flatheaded Mayfly), dorsal - Maccaffertium mediopunctatum - Female
100 Acre Wood, Winneshiek County, Iowa, USA
May 27, 2016
bluff above the spring fed (and crop land run-off) Upper Iowa River

Images of this individual: tag all
Heptageniidae (Flatheaded Mayfly), dorsal - Maccaffertium mediopunctatum - female Heptageniidae (Flatheaded Mayfly), lateral - Maccaffertium mediopunctatum - female
tag · login or register to post comments
Contributed by MJ Hatfield on 14 January, 2017 - 7:17am
Last updated 28 July, 2020 - 2:22am

Moved
Moved from Maccaffertium.
… Roger Rohrbeck, 28 July, 2020 - 2:22am login or register to post comments

Maccaffertium
This top photo clearly indicates spiracular spots on 1-8 and they are not dorsally elevated on the 5th and 6th. I would class this as a Maccaffertium mediopunctatum.


Mack.
… The Stenonema Rangers of Ontario, 10 May, 2017 - 10:24pm login or register to post comments

Moved
Moved from Mayflies.
… Roger Rohrbeck, 14 January, 2017 - 11:13am 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