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Species Callibaetis fluctuans

Mayfly - Callibaetis fluctuans Mayfly - Callibaetis fluctuans Small Minnow Mayfly - Callibaetis fluctuans - female Unknown Mayfly, newly emerged  - Callibaetis fluctuans mayfly? - Callibaetis fluctuans Female Callibaetis fluctuans? - Callibaetis fluctuans - female Callibaetis? - Callibaetis fluctuans Mayfly at porchlight  - Callibaetis fluctuans
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Ephemeroptera (Mayflies)
Suborder Pisciforma
Family Baetidae (Small Minnow Mayflies)
Genus Callibaetis
Species fluctuans (Callibaetis fluctuans)
Explanation of Names
Callibaetis fluctuans (Walsh 1862)
e. Canada & most of the US(1) map(2)
Print References
Johnson, B. R., Tarter, D. C., Hutchens, J. J. (2000). Life history and trophic basis of production of the mayfly Callibaetis fluctuans (Walsh) (Ephemeroptera: Baetidae) in a mitigated wetland, West Virgina, USA. Wetlands 20(2): 397–40 (Full Text)