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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Mayflies (Ephemeroptera) » Furcatergalia » Scapphodonta » Ephemeroidea » Common Burrower Mayflies (Ephemeridae) » Hexagenia » Hexagenia bilineata
Photo#1194360
Mayfly ID, please - Hexagenia bilineata
Copyright © 2016 wingedmary

Mayfly ID, please - Hexagenia bilineata
near Sardinia, Brown County, Ohio, USA
July 7, 2013
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Contributed by wingedmary on 27 February, 2016 - 10:05am
Last updated 27 February, 2016 - 1:50pm

Moved
Moved from Mayflies.
… Roger Rohrbeck, 27 February, 2016 - 1:50pm login or register to post comments

Hexagenia bilineata
Hi wingedmary-

I believe this female imago to be Hexagenia bilineata.
… Roger Rohrbeck, 27 February, 2016 - 1:43pm login or register to post comments

 
Difference between females vs males
Thank you, Roger, can you please tell me how you know this is a female from the photo. I looked in info and tried googling but I thought asking you how to tell the difference between male & female might be quicker.
… wingedmary, 27 February, 2016 - 7:24pm login or register to post comments

 
Difference between females vs males
Anatomically, from front to back of the insect, the more obvious differences are: the male imago has much longer forelegs; has larger eyes; has genital claspers. Incidentally, don't confuse the vestigal middle tail in your photo with genital claspers. :-)
… Roger Rohrbeck, 27 February, 2016 - 11:07pm login or register to post comments

Moved
Moved from ID Request.
… metrioptera, 27 February, 2016 - 11:50am login or register to post comments

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