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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Mayflies (Ephemeroptera) » Pisciforma » Small Minnow Mayflies (Baetidae) » Callibaetis » Callibaetis ferrugineus » Callibaetis ferrugineus ferrugineus
Photo#1109897
Brown-eyed mayfly - Callibaetis ferrugineus
Copyright © 2015 Timothy Reichard

Brown-eyed mayfly - Callibaetis ferrugineus
Odenton, Anne Arundel County, Maryland, USA
June 26, 2015
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Contributed by Timothy Reichard on 26 July, 2015 - 5:47pm
Last updated 26 July, 2015 - 9:02pm

Unmarked wings
All the other BugGuide images for this subspecies have dark markings near the costas, but mine does not. Is this a difference between adults vs. subadults or between two morphs?
… Timothy Reichard, 27 July, 2015 - 8:14pm login or register to post comments

 
Wing markings
The female Callibaetis ferrugineus ferrugineus imago typically has dark staining near its costa, whereas the male imago may (or may not) have such staining.
… Roger Rohrbeck, 27 July, 2015 - 11:08pm login or register to post comments

Moved
Moved from Mayflies.
… Roger Rohrbeck, 26 July, 2015 - 9:02pm login or register to post comments

Callibaetis ferrugineus ferrugineus
Hi Timothy-

I believe this male imago to be Callibaetis ferrugineus ferrugineus.
… Roger Rohrbeck, 26 July, 2015 - 9:00pm login or register to post comments

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