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Home » Guide » Arthropods (Arthropoda) » Insects (Insecta) » Mayflies (Ephemeroptera) » Small Minnow Mayflies (Baetidae)
Photo#130917
Yellowstone Mayfly
Copyright © 2007 Tanya Dapkey

Yellowstone Mayfly
Hayden Valley, Yellowstone National Park, Wyoming, USA
July 13, 2007
WHile everyone was staring at a momma bear and cubs I noticed these mayflies everywhere

Images of this individual: tag all
Yellowstone Mayfly Yellowstone Mayfly 2
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Contributed by Tanya Dapkey on 26 July, 2007 - 9:15am
Last updated 24 July, 2008 - 11:01pm

Moved
Moved from Mayflies.
… John R. Maxwell, 24 July, 2008 - 11:01pm login or register to post comments

Little baetids
Both of the pictures appear to show a little female imago of the family Baetidae. The family ID is based on size, two tails, and the apparent lack of hindwings (either absent or minute). The stage and gender ID is based on hyaline wings and small eyes/normal forelegs.
… Lloyd Gonzales, 9 July, 2008 - 8:08pm login or register to post comments

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