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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Mayflies (Ephemeroptera) » Pisciforma » Heptagenioidea » Flatheaded Mayflies (Heptageniidae) » Maccaffertium » Maccaffertium terminatum
Photo#1378761
Desert mayfly - Maccaffertium terminatum - male
Copyright © 2017 John F. Carr

Desert mayfly - Maccaffertium terminatum - Male
Winnemucca, Humboldt County, Nevada, USA
May 26, 2017
Lots of mayflies and midges in the desert.
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Contributed by John F. Carr on 3 June, 2017 - 4:31pm
Last updated 7 June, 2017 - 7:21pm

Moved
Moved from Maccaffertium.
… John F. Carr, 7 June, 2017 - 7:22pm login or register to post comments

Maccaffertium terminatum
Maccaffertium terminatum as it aligns with samples from ND and fits this concepts profile.



Mack.
… The Stenonema Rangers of Ontario, 7 June, 2017 - 7:00pm login or register to post comments

 
Humboldt River
I see that species is recorded from the Humboldt River, which runs through Winnemucca.
… John F. Carr, 7 June, 2017 - 7:25pm login or register to post comments

Moved
Moved from Mayflies.
… Roger Rohrbeck, 3 June, 2017 - 11:30pm login or register to post comments

Maccaffertium
Hi John-

I believe this to be a male subimago of genus Maccaffertium. However, it appears to have the abdominal coloration of a male imago. Strange indeed. I am going to ask Mack Beacon to take a look at it and see what he thinks.
… Roger Rohrbeck, 3 June, 2017 - 11:28pm login or register to post comments

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