Drunella coloradensis (Small Western Green Drake) Mayfly Nymph Pictures

Mayflies

Caddisflies

Stoneflies

Classification

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Ephemeroptera (Mayflies)

» Family Ephemerellidae (Hendricksons, Sulphurs, PMDs, BWOs)

» Genus Drunella (Blue-Winged Olives)

» Species coloradensis (Small Western Green Drake)

This one nicely illustrates the variation in coloration within an single Ephemerellid species in a single stream, when compared to its lighter, banded counterpart.

This mayfly was collected from Mystery Creek #249 on July 25th, 2019 and added to Troutnut.com on July 26th, 2019.

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Drunella coloradensis (Small Western Green Drake) Mayfly Nymph from Mystery Creek #249 in Washington

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