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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Mayflies (Ephemeroptera) » Pisciforma » Heptagenioidea » Flatheaded Mayflies (Heptageniidae) » Stenacron » interpunctatum complex (Stenacron interpunctatum complex) » Stenacron interpunctatum
Photo#1857205
mayfly? - Stenacron interpunctatum
Copyright © 2020 john and jane balaban

mayfly? - Stenacron interpunctatum
Niles, Cook County, Illinois, USA
July 16, 2020
Came to a moth sheet

Images of this individual: tag all
mayfly? - Stenacron interpunctatum mayfly? - Stenacron interpunctatum
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Contributed by john and jane balaban on 17 July, 2020 - 5:20pm
Last updated 23 July, 2020 - 11:50pm

Moved
Moved from Stenacron.
… Roger Rohrbeck, 23 July, 2020 - 11:50pm login or register to post comments

Identified on iNat as
Stenacron interpunctatum ssp. interpunctatum
here
… john and jane balaban, 23 July, 2020 - 11:03pm login or register to post comments

Moved
Moved from Mayflies.
… Roger Rohrbeck, 17 July, 2020 - 6:53pm login or register to post comments

Stenacron
Hi john and jane balaban-

I believe this female imago to be of genus Stenacron.
… Roger Rohrbeck, 17 July, 2020 - 6:50pm login or register to post comments

 
Thanks
I was excited to see a mayfly come to the sheet. We were about a half mile from the city of Chicago and maybe a quarter mile from the North Branch of the Chicago River. I wonder what water source it emerged from. Maybe someday we'll have them in the Chicago River.
… john and jane balaban, 17 July, 2020 - 6:56pm login or register to post comments

 
Water source it emerged from:
I suspect it would have emerged from the closest moving water source to your sheet, be that the West Branch of the Chicago River, or perhaps a tributary thereof. A mayfly tends not to stray far from the water source from which it emerged, and generally returns to that water source in order to mate in flight.
… Roger Rohrbeck, 18 July, 2020 - 12:31am login or register to post comments

Moved
Moved from ID Request.
… Ken Wolgemuth, 17 July, 2020 - 5:32pm login or register to post comments

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