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Family Ephemerellidae - Spiny Crawler Mayflies

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Unknown mayfly nymph - Caudatella Unknown mayfly nymph - Caudatella Caudatella heterocaudata Caudatella heterocaudata Caudatella heterocaudata Caudatella heterocaudata Caudatella heterocaudata

Epheremellid - Drunella grandis Ephemerellidae, genus Drunella - Drunella Drunella walkeri Drunella coloradensis Drunella coloradensis Wynoochee Mayfly - Drunella coloradensis Drunella coloradensis Drunella pelosa

Mayfly - Ephemerella invaria Mayfly - Ephemerella subvaria Mayfly - Ephemerella invaria - female Serratella tibialis - Ephemerella tibialis Ephemeroptera - Ephemerella invaria Mayfly - Ephemerella dorothea Spiny Crawler Mayfly - Ephemerella - male Ephemerellidae - Ephemerella invaria

Mayfly Larva - Eurylophella prudentalis Mayfly - Eurylophella prudentalis - male Eurylophella verisimilis Unknown Mayfly - Eurylophella Eurylophella Orange Flyin' Hexapod - Eurylophella Mayfly - Spiny Crawler Mayfly? - Eurylophella Unknown mayfly - Eurylophella

Matriella teresa Matriella teresa Matriella teresa Matriella teresa Matriella teresa

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