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.

View Full Size and Comment (5.7X larger)

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

View Full Size and Comment (4.3X larger)

View Full Size and Comment (6.7X larger)

View Full Size and Comment (3.8X larger)

View Full Size and Comment (6.7X larger)

View Full Size and Comment (5.7X larger)

View Full Size and Comment (4.5X larger)

View Full Size and Comment (5.7X larger)

View Full Size and Comment (5.6X larger)

View Full Size and Comment (6.7X larger)

View Full Size and Comment (4.4X larger)

Start a Discussion of this Nymph:

You must log in at the top of the page to post. If you haven't registered yet, it's this easy: