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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Mayflies (Ephemeroptera) » Pisciforma » Heptagenioidea » Flatheaded Mayflies (Heptageniidae)
Photo#455709
Small mayfly - Callibaetus?
Copyright © 2010 Leland Searles

Small mayfly - Callibaetus?
Des Moines, Polk County, Iowa, USA
September 12, 2010
Size: Body, 1/2." Overall 2"
Difficult to photography because of the small size and somewhat poor lighting. This is the mayfly as it landed and moved through mown grass blades. The Raccoon River is about 1/4 mile from the photo location.
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Contributed by Leland Searles on 17 September, 2010 - 11:30am
Last updated 19 April, 2014 - 6:14pm

Moved
Moved from ID Request.
… Roger Rohrbeck, 17 September, 2010 - 6:07pm login or register to post comments

Lloyd Gonzales comment:
This is a male imago of Heptageniidae. Callibaetis males have much smaller hindwings and their turbinate eyes do not fluoresce to pale colors in bright light. It might be something in Maccaffertium.
… Roger Rohrbeck, 17 September, 2010 - 6:07pm login or register to post comments

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