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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Mayflies (Ephemeroptera) » Pisciforma » Heptagenioidea » Flatheaded Mayflies (Heptageniidae) » Maccaffertium
Photo#972941
Flat-headed Mayfly - Maccaffertium
Copyright © 2014 David E. Reed

Flat-headed Mayfly - Maccaffertium
Topsham, Sagadahoc County, Maine, USA
August 6, 2014
Size: 2.6mm head to abdomen tip
ID help needed. Perhaps Maccaffertium sp? Collected from the Cathance River.
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Contributed by David E. Reed on 6 August, 2014 - 10:31pm
Last updated 1 January, 2015 - 1:34pm

Moved
Moved from Flatheaded Mayflies.
… David E. Reed, 1 January, 2015 - 1:34pm login or register to post comments

Maccaffertium
I would say Maccaffertium based on some details that are visible.

1; pale tan spots allover the frontale shelf of the head capsule.
2; very wide head capsule.
3; very wide femora
4; short rear femora.

Identification for such a young sample can only be genus at best.



Mack.
… The Stenonema Rangers of Ontario, 1 January, 2015 - 11:50am login or register to post comments

 
Maccaffertium
Thank you
… David E. Reed, 1 January, 2015 - 1:33pm login or register to post comments

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