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Mayfly Distribution - Lewis Co. |
| Scientific Name | County | Location |
| Acentrella insignificans | Lewis | Mineral Cr |
| Acentrella insignificans | Lewis | Ohanapecosh R |
| Acentrella turbida | Lewis | Mineral Cr |
| Acentrella turbida | Lewis | Stillman Cr |
| Ameletus celer | Lewis | Ohanapecosh R |
| Ameletus majusculus | Lewis | Ohanapecosh R |
| Ameletus majusculus | Lewis | Paradise R |
| Ameletus pritchardi | Lewis | Ohanapecosh R |
| Ameletus validus | Lewis | Ohanapecosh R |
| Ameletus validus | Lewis | Skate Cr |
| Attenella delantala | Lewis | Mineral Cr |
| Attenella delantala | Lewis | Skookumchuck R |
| Attenella delantala | Lewis | Willame Cr |
| Attenella margarita | Lewis | Simmons Cr |
| Baetis bicaudatus | Lewis | Butler Cr |
| Baetis bicaudatus | Lewis | Ohanapecosh R |
| Baetis bicaudatus | Lewis | Simmons Cr |
| Baetis brunneicolor | Lewis | Ohanapecosh R |
| Baetis tricaudatus | Lewis | Butler Cr |
| Baetis tricaudatus | Lewis | Johnson C |
| Baetis tricaudatus | Lewis | Mineral Cr |
| Baetis tricaudatus | Lewis | Nickle Cr |
| Baetis tricaudatus | Lewis | Ohanapecosh R |
| Baetis tricaudatus | Lewis | Ohanapecosh R |
| Baetis tricaudatus | Lewis | Simmons Cr |
| Baetis tricaudatus | Lewis | Skookumchuck R |
| Baetis tricaudatus | Lewis | Stillman Cr |
| Baetis tricaudatus | Lewis | Willame Cr |
| Callibaetis ferrugineus hageni | Lewis | Reflection Lakes |
| Caudatella heterocaudata | Lewis | Ohanapecosh R |
| Caudatella heterocaudata | Lewis | Simmons Cr |
| Caudatella hystrix | Lewis | Skookumchuck R |
| Caudatella jacobi | Lewis | Simmons Cr |
| Cinygma integrum | Lewis | Ohanapecosh R |
| Cinygmula gartrelli | Lewis | Ohanapecosh R |
| Cinygmula gartrelli | Lewis | Skate Cr |
| Cinygmula mimus | Lewis | Ohanapecosh R |
| Diphetor hageni | Lewis | Mineral Cr |
| Diphetor hageni | Lewis | Simmons Cr |
| Drunella coloradensis | Lewis | Butler Cr |
| Drunella coloradensis | Lewis | Nickel Cr |
| Drunella coloradensis | Lewis | Ohanapecosh R |
| Drunella coloradensis | Lewis | Skate Cr |
| Drunella doddsii | Lewis | Butler Cr |
| Drunella doddsii | Lewis | Johnson Cr |
| Drunella doddsii | Lewis | Mineral Cr |
| Drunella doddsii | Lewis | Nickle Cr |
| Drunella doddsii | Lewis | North Fork Newaukum R |
| Drunella doddsii | Lewis | Ohanapecosh R |
| Drunella doddsii | Lewis | Simmons Cr |
| Drunella doddsii | Lewis | Skate Cr |
| Drunella doddsii | Lewis | Skookumchuck R |
| Drunella doddsii | Lewis | Willame Cr |
| Drunella grandis flavitincta | Lewis | Mineral Cr |
| Drunella grandis flavitincta | Lewis | Ohanapecosh R |
| Drunella grandis flavitincta | Lewis | Simmons Cr |
| Drunella spinifera | Lewis | Butter Cr |
| Drunella spinifera | Lewis | Ohanapecosh R |
| Drunella spinifera | Lewis | Simmons Cr |
| Drunella spinifera | Lewis | Skookumchuck R |
| Drunella spinifera | Lewis | Willame Cr |
| Epeorus deceptivus | Lewis | Ohanapecosh R |
| Epeorus deceptivus | Lewis | Ohanapecosh R |
| Epeorus deceptivus | Lewis | Simmons Cr |
| Epeorus deceptivus | Lewis | Skate Cr |
| Epeorus grandis | Lewis | Ohanapecosh R |
| Epeorus grandis | Lewis | Paradise R |
| Epeorus grandis | Lewis | Simmons Cr |
| Epeorus grandis | Lewis | Willame Cr |
| Epeorus longimanus | Lewis | Mineral Cr |
| Epeorus longimanus | Lewis | Ohanapecosh R |
| Epeorus longimanus | Lewis | Willame Cr |
| Ephemerella aurivillii | Lewis | North Fork Lincoln Cr |
| Ephemerella aurivillii | Lewis | Ohanapecosh R |
| Ephemerella dorothea infrequens | Lewis | Simmons Cr |
| Ephemerella tibialis | Lewis | Butler Cr |
| Ephemerella tibialis | Lewis | Cowlitz R |
| Ephemerella tibialis | Lewis | Lake Cr |
| Ephemerella tibialis | Lewis | Mineral Cr |
| Ephemerella tibialis | Lewis | Ohanapecosh R |
| Ephemerella tibialis | Lewis | Scate Cr |
| Ephemerella tibialis | Lewis | Simmons Cr |
| Ephemerella tibialis | Lewis | Willame Cr |
| Ironodes californicus | Lewis | Ohanapecosh R |
| Ironodes nitidus | Lewis | Falls Cr |
| Ironodes nitidus | Lewis | Simmons Cr |
| Labiobaetis propinquus | Lewis | Centralia |
| Paraleptophlebia debilis | Lewis | Millridge Cr |
| Paraleptophlebia heteronea | Lewis | Simmons Cr |
| Paraleptophlebia memorialis | Lewis | Simmons Cr |
| Paraleptophlebia temporalis | Lewis | Butter Cr |
| Paraleptophlebia temporalis | Lewis | Simmons Cr |
| Rhithrogena flavianula | Lewis | Nisqually R |
| Rhithrogena hageni | Lewis | Ohanapecosh R |
| Rhithrogena hageni | Lewis | Simmons Cr |
| Rhithrogena morrisoni | Lewis | Big Creek Camp |
| Rhithrogena robusta | Lewis | Paradise R |
| Rhithrogena robusta | Lewis | Simmons Cr |
| Rhithrogena robusta | Lewis | Stillman Cr |
| Serratella micheneri | Lewis | Centralia |
| Serratella micheneri | Lewis | Rainbow Falls St Prk |
| Siphlonurus autumnalis | Lewis | Skate Cr |
| Siphlonurus occidentalis | Lewis | Ohanapecosh R |
| Timpanoga hecuba pacifica | Lewis | Butter Cr |
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