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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#1137393
mayfly - Stenacron interpunctatum - male
Copyright © 2015 Ilona L.

mayfly - Stenacron interpunctatum - Male
Cross Plains, Dane County, Wisconsin, USA
July 26, 2015
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Contributed by Ilona L. on 11 September, 2015 - 3:40pm
Last updated 15 June, 2016 - 5:15pm

Moved
Moved from Stenacron.
… Roger Rohrbeck, 15 June, 2016 - 5:15pm login or register to post comments

Having heavy abdominal markin
Having heavy abdominal markings with no spiracular spots, stigma stain going over the apex of the forewing, dark pleura streaks and spots on the face. We can only conclude that this is a great sample of (Stenacron interpunctatum / canadense) part if the interpunctatum complex.
… The Stenonema Rangers of Ontario, 15 June, 2016 - 4:25pm login or register to post comments

Moved
Moved from Mayflies.
… Roger Rohrbeck, 11 September, 2015 - 7:38pm login or register to post comments

Stenacron
Hi Ilona-

I believe this male imago to be of genus Stenacron.
… Roger Rohrbeck, 11 September, 2015 - 7:37pm login or register to post comments

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