big early-season mayfly - Leptophlebia

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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Mayflies (Ephemeroptera) » Furcatergalia » Pronggilled Mayflies (Leptophlebiidae) » Leptophlebia

Photo#2078314

Copyright © 2022 Larry Reis

big early-season mayfly - Leptophlebia -

Cardinal Marsh, Winneshiek County, Iowa, USA
April 17, 2021
Size: ~15 mm

I was only able to get one photo of this mayfly so it might be impossible to determine its identity. This subimago was out quite early in the season. I noticed that it has 3 tails, a characteristic that I saw in some examples of spiny crawler mayflies.

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Contributed by Larry Reis on 9 January, 2022 - 8:09am
Last updated 9 January, 2022 - 12:14pm

Moved

Moved from Mayflies.

… Roger Rohrbeck, 9 January, 2022 - 10:17am

Leptophlebia

Hi Larry-

I believe this female subimago to be of genus Leptophlebia.

… Roger Rohrbeck, 9 January, 2022 - 10:14am

Leptophlebia

Thanks so much for identifying this female subimago mayfly to the genus Leptophlebia, Roger! I see that there is one species in this genus is called the early brown spinner so this mayfly fits right in! I wasn't familiar with Leptophlebia and the pronggilled mayflies until now.

… Larry Reis, 9 January, 2022 - 12:12pm

You are certainly welcome.

Glad to be of help.

… Roger Rohrbeck, 9 January, 2022 - 8:37pm

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