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Ephemeroptera: Ephemerellidae of Gunnison County, Colorado

Introduction to the Mayfly genus Ephemerella
Pale Morning Dun, PMDs, Pale Morning Olive, Pale Morning Spinner, Pale Olive Quill

Walsh 1862
Updated 27 Jan 2010
TSN 101233

Provisional Species List

Ephemerella aurivillii
Ephemerella excrucians (inermis)
Ephemerella dorothea infrequens

Notes

This genus has many lovely translucent little yellow species. The taxonomy has been changing recently, but no matter, the fishermen recognize the local species of Pale Morning Dun in streams across our planet.

Links

On this website:
Ephemerella inermis
Introduction to Ephemerellidae

Other Websites:
Photo Adult male - go to the bottom of the page and among many great photos, there is a Pale Morning Dun or Ephemerella dorothea second from the right.

References

Allen,RK 1968 New species and records of Ephemerella (Ephemerella) in western North America (Ephemeroptera: Ephemerellidae). Journal of the Kansas Entomological Society 41(4):557-567 PDF

Jacobus,LM and McCafferty,WP 2003 Revisionary contributions to North American Ephemerella and Serratella (Ephemeroptera: Ephemerellidae). Journal of the New York Entomological Society 111:174-193. PDF
     This paper reorganized the taxonomy map for the genus Ephemerella.

Jacobus, LM and McCafferty, WP 2008 Revision of Ephemerellidae genera (Ephemeroptera). Transactions of the American Entomological Society 134: 185-274. PDF

Walsh, BD 1862 List of the Pseudoneuroptera of Illinois contained in the cabinet of the writer, with descriptions of over forty new species, with notes on their structural affinities. Proceedings of the Academy of Natural Sciences Philadelphia 14:361-402.
     Walsh described the genus Ephemerella in this paper.
Walsh 1862 decription of the mayfly genus Ephemerella


"It ain't what you don't know that gets you into trouble.
It's what you know for sure that just ain't so."
--Mark Twain


Brown, Wendy S. 2009 Ephemeroptera of Gunnison County, Colorado
www.gunnisoninsects.org