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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Mayflies (Ephemeroptera) » Pisciforma » Heptagenioidea » Flatheaded Mayflies (Heptageniidae) » Maccaffertium » Maccaffertium modestum
Photo#1007289
flat-headed mayfly - Maccaffertium modestum - male
Copyright © 2014 Bill Keim

flat-headed mayfly - Maccaffertium modestum - Male
Giving Pond Recreation Area, Bucks County, Pennsylvania, USA
July 5, 2014
Found on low vegetation on a wooded river bank.
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Contributed by Bill Keim on 9 October, 2014 - 7:19am
Last updated 8 January, 2021 - 9:52am

Moved
Moved from Maccaffertium.
… Roger Rohrbeck, 8 January, 2021 - 9:52am login or register to post comments

This has now been ID'd
by Mack Beacon as Maccaffertium modestum:
https://www.inaturalist.org/observations/2343029.
… Bill Keim, 8 January, 2021 - 4:18am login or register to post comments

Moved
Moved from Mayflies.
… Roger Rohrbeck, 9 October, 2014 - 1:23pm login or register to post comments

Maccaffertium
Hi Ken-

I believe this male imago to be of genus Maccaffertium.
… Roger Rohrbeck, 9 October, 2014 - 1:21pm login or register to post comments

Moved for expert attention
Moved from ID Request.
… Ken Wolgemuth, 9 October, 2014 - 7:30am login or register to post comments

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