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Mayfly Genus Drunella (Blue-Winged Olives)

Pictures Below

This is page 2 of specimens of Drunella. Visit the main Drunella page for:

  • The behavior and habitat of Drunella.

Pictures of 51 Mayfly Specimens in the Genus Drunella:

Specimen Page:1234...6
Male Drunella spinifera (Western Slate Olive Dun) Western Slate Olive Dun NymphMale Drunella spinifera (Western Slate Olive Dun) Mayfly Nymph View 8 PicturesIn a bucket full of Drunella coloradensis nymphs, this was the only specimen of Drunella spinifera (and the first one I've found anywhere).
Collected July 28, 2019 from Mystery Creek #199 in Washington
Added to Troutnut.com by Troutnut on July 30, 2019
Female Drunella grandis (Western Green Drake) Mayfly DunFemale Drunella grandis (Western Green Drake) Mayfly Dun View 6 PicturesI collected this specimen while away from all my good photography equipment except the camera and one of my macro lenses, so I made do. The lighting is from lamps in a hotel room, so it was hard to edit for really true colors, but I tried to get as close as possible. The body was 13 mm long, wing 19 mm long.
Collected July 14, 2017 from the American River in Washington
Added to Troutnut.com by Troutnut on July 24, 2017
Drunella coloradensis (Small Western Green Drake) Mayfly NymphDrunella coloradensis (Small Western Green Drake) Mayfly Nymph View 11 PicturesThis one nicely illustrates the variation in coloration within an single Ephemerellid species in a single stream, when compared to its lighter, banded counterpart.
Collected July 25, 2019 from Mystery Creek #249 in Washington
Added to Troutnut.com by Troutnut on July 26, 2019
Male Drunella coloradensis (Small Western Green Drake) Mayfly DunMale Drunella coloradensis (Small Western Green Drake) Mayfly Dun View 8 PicturesThe positive species ID on this dun comes from both the spinner that it (or possibly one other dun just like it) molted into and the overwhelming abundance of nymphs of this species in my kicknet samples from the same site.
Collected July 28, 2019 from Mystery Creek #199 in Washington
Added to Troutnut.com by Troutnut on July 30, 2019
Specimen Page:1234...6
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