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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Mayflies (Ephemeroptera) » Pisciforma » Heptagenioidea » Flatheaded Mayflies (Heptageniidae) » Stenonema » Stenonema femoratum
Photo#528079
Mayfly - Stenonema femoratum
Copyright © 2011 Nolie Schneider

Mayfly - Stenonema femoratum
Ottawa, Ontario, Canada
June 12, 2011
Size: c. 9 mm
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Contributed by Nolie Schneider on 12 June, 2011 - 4:07pm
Last updated 27 May, 2012 - 4:03am

Moved
Moved from Maccaffertium vicarium.
… Roger Rohrbeck, 27 May, 2012 - 4:03am login or register to post comments

Moved
Moved from Mayflies.
… Roger Rohrbeck, 12 June, 2011 - 6:36pm login or register to post comments

Maccaffertium vicarium
Noelle-

This appears to be a Maccaffertium vicarium male subimago.
… Roger Rohrbeck, 12 June, 2011 - 6:35pm login or register to post comments

 
Lloyd Gonzales comment:
This is Stenonema femoratum. The distinctive tripunctate markings of the dorsal abdominal segments are clearly visible. (There are about a half-dozen or so others scattered in various placements that I am now convinced are this species, but the dorsal markings are not clear. I can point them out, if you’d like.)
… Roger Rohrbeck, 27 May, 2012 - 4:02am login or register to post comments

 
Maccaffertium vicarium
Thank you, Roger.

Nolie
… Nolie Schneider, 13 June, 2011 - 7:15pm login or register to post comments

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