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Ephemeroptera: Baetidae of Gunnison County, Colorado

Plauditus punctiventris
Blue Winged Olive, Small Minnow Mayfly

(McDunnough) 1923
Updated 12 Feb 2012

Good Links

On this website:
Introduction to the Baetidae
Plauditus virilis

Other Websites:


Lugo-Ortiz,CR; McCafferty,WP 1998 A new North American genus of Baetidae (Ephemeroptera) and key to Baetis complex genera. Entomological News 109 5, 345-353. Abstract
     Page 347, Figures 1-11 has many illustrations of P. punctiventris.

McCafferty,WP; Durfee,RS; Kondratieff,BC 1993 Colorado mayflies (Ephemeroptera): an annotated inventory. Southwestern Naturalist 38 3, 252-274. PDF
     Discussed as Baetis punctiventris. Quote from page 255 in the discussion of Baetis bicaudatus: "Another "two-tailed," trout-stream species of Baetis that may eventually be confirmed from Colorado is B. punctiventris (McDunnough), which has often been incorrectly known as Pseudocloeon edmundsi to Salmon River and Yellowstone fly fishermen." Then in the discussion about Baetis virile, which has since been renamed Plauditus virilis, they note "There remains, however some possibility that it (Plauditus virilis) is either a color variant of B. punctiventris or that it is an undescribed species."

McCafferty,WP and Provonsha, AV The Mayflies of North AmericaSpecies List (Version 8Feb2011)
     Here is the geographic range and synonyms:
Plauditus punctiventris (McDunnough), 1923 [CAN:NE,NW;USA:NE,SE,SW]
    * Baetis punctiventris (McDunnough), 1923 (comb.)
    * Baetis sp. 1 McCafferty & Davis, 1992 (syn.)
    * Cloeon punctiventris McDunnough, 1923 (orig.)
    * Pseudocloeon myrsum Burks, 1953 (syn.)
    * Pseudocloeon punctiventris (McDunnough), 1923 (comb.)

McDunnough,J 1923 New Canadian Ephemeridae with notes. Canadian Entomologist 55, 39-50.
     Described as Cloeon punctiventris.

Brown, Wendy S. 2006 Mayflies (Ephemeroptera) of Gunnison County, Colorado, USA