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Mayfly Distribution - Asotin Co.

Scientific NameCountyLocation
Acentrella insignificansAsotinNorth Fork Asotin Cr
Ameletus vernalisAsotinAsotin Cr
Attenella margaritaAsotinNorth Fork Asotin Cr
Baetis bicaudatusAsotinNorth Fork Asotin Cr
Baetis tricaudatusAsotinAsotin Cr
Baetis tricaudatusAsotinGeorge Cr
Baetis tricaudatusAsotinNorth Fork Asotin Cr
Callibaetis ferrugineus hageniAsotin3 mi W Asotin
Cinygma integrumAsotinFields Spring St Prk
Cinygmula reticulataAsotinGrande Ronde R trib
Diphetor hageniAsotinField?s Spring St Prk
Drunella coloradensisAsotinGrande Ronde R trib
Drunella doddsiiAsotinFields?s Spring St Prk
Drunella grandis grandisAsotinAsotin Cr
Drunella grandis grandisAsotinGeorge Cr
Drunella grandis grandisAsotinSouth Fork Asotin Cr
Epeorus albertaeAsotinAsotin Cr
Epeorus longimanusAsotinAsotin Cr
Epeorus longimanusAsotinNorth Fork Asotin Cr
Ephemerella dorothea infrequensAsotinAsotin Cr
Ephemerella dorothea infrequensAsotinGeorge Cr
Ephemerella tibialisAsotinNorth Fork Asotin Cr
Heptagenia elegantulaAsotin4 mi S Anatone
Heptagenia elegantulaAsotinAsotin Cr
Heptagenia elegantulaAsotinGrande Ronde R trib
Ironodes californicusAsotinGrande Ronde R trib
Maccaffertium terminatum terminatumAsotinSnake R
Paraleptophlebia heteroneaAsotinField Springs St Prk
Rhithrogena hageniAsotinAsotin Cr
Rhithrogena hageniAsotinGrande Ronde R
Rhithrogena morrisoniAsotinAsotin Cr
Siphlonurus spectabilisAsotinAsotin Cr
Timpanoga hecuba hecubaAsotinAsotin Cr
Timpanoga hecuba hecubaAsotinNorth Fork Asotin Cr
Traverella albertanaAsotinSnake R
Tricorythodes explicatusAsotinSnake R


Based on: Mayflies (Ephemeroptera) of the far western United States. Part I: Washington
by M. D. Meyer and W. P. McCafferty.

Created: 10/17/2008   Last modified: 07/26/2021    www.FlyfishingEntomology.com