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.

View Full Size and Comment (6.2X larger)

View Full Size and Comment (6.7X larger)

View Full Size and Comment (6X larger)

View Full Size and Comment (6.3X larger)

View Full Size and Comment (3.9X larger)

View Full Size and Comment (6X larger)

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).

Start a Discussion of this Spinner: