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Ephemeroptera of Gunnison County, Colorado

Introduction to Baetidae
Small Minnow Mayflies, Blue-Winged Olives, BWO

Leach, 1815

Updated 19 Jan 2019
TSN 100755

Provisional Species List

Good Links

On this website:
Baetis introduction
Baetidae nymphs to species
Baetis nymphs to species
Other species that may be present
Centroptilum Introduction
Fallceon quilleri

Other websites:


Allen,RK and Murvosh,CM 1987 New Baetidae from the southwestern United States and northern Mexico (Ephemeroptera: Insecta), with notes. Canadian Entomologist 119, 1095-1099.

Barber-James,HM; Gattolliat,J; Sartori,M and MD Hubbard 2008 Global diversity of mayflies (Ephemeroptera, Insecta) in freshwater. Hydrobiologia 595(1) 339-350. DOI:10.1007/s10750-007-9028-y Abstract and Full Text

Edmunds Jr.,GF; Jensen,SL and Berner,L 1976 The Mayflies of North and Central America. University of Minnesota Press, Minneapolis, Minnesota. 330 pages pages.

Hammock,BG; Krigbaum,NY and Johnson,ML 2012 Incorporating invertebrate predators into theory regarding the timing of invertebrate drift. Aquatic Ecology, 46(2), 153-163. Abstract

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. PDF

McCafferty,WP; Durfee,RS; Kondratieff,BC 1993 Colorado mayflies (Ephemeroptera): an annotated inventory. Southwestern Naturalist 38 3, 252-274. PDF

McCafferty,WP; Waltz,RD 1990 Revisionary synopsis of the Baetidae (Ephemeroptera) of North and Central America. Transactions of American Entomological Society 116, 769-799.

Meyer,MD; McCafferty,WP 2001 Hagen's small minnow mayfly (Ephemeroptera: Baetidae) in North America. Entomological News 112 4, 255-263.

Morihara,DK; McCafferty,WP 1979 The Baetis larvae of North America (Ephemeroptera:Baetidae). Transactions of American Entomological Society 105, 139-221.

Short,RA; Canton,SP and Ward,JV 1980 Detrital processing and associated macroinvertebrates in a Colorado mountain stream. Ecology, 61(4), 727-732. PDF

Waltz,RD 1986 Revisionary studies of the mayfly family Baetidae (Ephemeroptera). Purdue Univ., dissertation. 259 pp.

Waltz RD and McCafferty,WP 1997 New generic synonymies in Baetidae (Ephemeroptera). Entomological News 108:134-140.

Wang,TQ; McCafferty,WP 1996 New diagnostic characters for the mayfly family Baetidae (Ephemeroptera). Entomological News 107 2, 207-212. PDF

Ward,JV, Kondratieff,BC and Zuellig,RE 2002 An Illustrated Guide to the Mountain Stream Insects of Colorado. 2nd ed. University Press of Colorado, Boulder, Colorado. 219 pages.
     Very useful. They briefly summarize the recent taxonomic changes to Baetidae relevent for Colorado on pages 86-88.

Brown,WS 2005 Baetidae Mayflies (Ephemeroptera) of Gunnison County, Colorado

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