Female Baetis tricaudatus (Blue-Winged Olive) Mayfly Spinner Pictures

Mayflies Caddisflies Stoneflies

Classification

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Ephemeroptera (Mayflies)

» Family Baetidae (Blue-Winged Olives)

» Genus Baetis (Blue-Winged Olives)

» Species tricaudatus (Blue-Winged Olive)

This mayfly was collected from the Henry's Fork of the Snake River on July 31st, 2020 and added to Troutnut.com on August 16th, 2020.

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I looked closer under a microscope to see that the second longitudinal vein of the hind wing does not fork (ie it isn't Diphetor hageni).

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