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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Mayflies (Ephemeroptera) » Pisciforma » Heptagenioidea » Flatheaded Mayflies (Heptageniidae) » Heptagenia » Heptagenia marginalis
Photo#1746330
yellow mayfly - Heptagenia marginalis
Copyright © 2019 Hans Holbrook

yellow mayfly - Heptagenia marginalis
C&O Canal east of Paw Paw, WV, Allegany County, Maryland, USA
October 8, 2017
Size: ~10-15mm (body)
I used a digital caliper to determine rough size based off my camp lantern.
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Contributed by Hans Holbrook on 31 October, 2019 - 8:32am
Last updated 31 October, 2019 - 11:54am

Moved
Moved from Mayflies.
… Roger Rohrbeck, 31 October, 2019 - 11:54am login or register to post comments

Heptagenia marginalis
Hi Hans-

I believe this female subimago to be Heptagenia marginalis.
… Roger Rohrbeck, 31 October, 2019 - 11:52am login or register to post comments

 
Thanks Roger!
Thanks Roger!
… Hans Holbrook, 1 November, 2019 - 9:16am login or register to post comments

Moved
Moved from ID Request.
… metrioptera, 31 October, 2019 - 9:24am login or register to post comments

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