Ephemeroptera: Baetidae of Gunnison County, ColoradoBaetis moffati
Blue-winged Olive, BWO Dodds 1923
Updated 27 Mar 2015
Notes
This species has been synonymized with Baetis tricaudatus. Also spelled Baetis moffatti.
Good Links
On this website:
Introduction to Baetis
Key to Baetis Nymphs
Outside websites:
Photo and short discussion from Troutnut
References
Dodds,GS 1923 Mayflies from Colorado: descriptions of certain species and notes on others. Transactions of American Entomological Society 69, 93-116.
Two of the species Dodds described in this paper have been lumped into Baetis tricaudatus. They are Baetis moffati and Baetis intermedius.
McCafferty,WP; Durfee,RS; Kondratieff,BC 1993 Colorado mayflies (Ephemeroptera): an annotated inventory. Southwestern Naturalist 38 3, 252-274. PDF
Quote from page 256: "This species is known only from Colorado and has not been reconfirmed since 1935. This may be the result of of it not being known in the larval stage. However, there is some possibility that B. moffati and B. magnus are equivalent. The adults of both are essentially similar, but this is not enough evidence for proposing synonymy because the adults of all species of the rhodani group of Baetis, to which they belong are similar." They report this species from Gothic.
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