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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Mayflies (Ephemeroptera) » Pisciforma » Heptagenioidea » Flatheaded Mayflies (Heptageniidae) » Epeorus
Photo#110636
Another Mayfly - Epeorus
Copyright © 2007 Jo Ann Poe-McGavin

Another Mayfly - Epeorus
Jim Thorpe, Carbon County, Pennsylvania, USA
May 15, 2007
Size: 1/2 body approx
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Contributed by Jo Ann Poe-McGavin on 17 May, 2007 - 12:39pm
Last updated 23 November, 2008 - 5:05pm

Moved
Moved from Epeorus vitreus.
… john and jane balaban, 23 November, 2008 - 5:05pm login or register to post comments

Probably not vitreus
I would bump this one back to genus. It is Epeorus, but all of the vitreus (males and females, subimagoes and imagoes) that I have seen have a conspicuous dark cross vein (humeral vein) between the costa and subcosta near the base of the forewing. The egg-bearing female imagoes are usually a brighter pinkish-red or orange. This is probably one of the other Northeastern Epeorus species.
… Lloyd Gonzales, 10 October, 2008 - 12:14pm login or register to post comments

Jo- How long in mm.? How
Jo-

How long in mm.? How many tails?
… Roger Rohrbeck, 19 May, 2007 - 4:57am login or register to post comments

 
Body Umm-mm-12.7 (? - I used
Body Umm-mm-12.7 (? - I used an online conversion thingy-so I guess that's right)

2 tails
… Jo Ann Poe-McGavin, 19 May, 2007 - 8:56am login or register to post comments

 
Epeorus female imago
Jo-

Nice. I believe it to be an Epeorus female imago, likely E. vitreus.
… Roger Rohrbeck, 19 May, 2007 - 6:05pm login or register to post comments

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