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Family Ephemerellidae - Spiny Crawler Mayflies

 
 
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Spiny Crawler Mayfly (with egg sac?) - Attenella - female Spiny Crawler Mayfly (with egg sac?) - Attenella - female Mayfly - Attenella mayfly with egg mass - Attenella - female Mayfly in September - Attenella margarita Attenella delantala Attenella delantala Attenella delantala

Unknown mayfly nymph - Caudatella Unknown mayfly nymph - Caudatella

Ephemerellidae, genus Drunella - Drunella Ephemerellidae, genus Drunella - Drunella Drunella walkeri Drunella cornutella Drunella coloradensis Drunella grandis? - Drunella spinifera Drunella walkeri Drunella cornutella

Looks an ephermeral - Ephemerella invaria Spiny Crawler Nymph - Ephemerella subvaria Mayfly - Ephemerella invaria Ephemerella dorothea Ephemerella dorothea mayfly - unident - Ephemerella invaria Ephemerella  subvaria - Ephemerella subvaria spiny crawler mayfly - Ephemerella - male

Mayfly Larva - Eurylophella prudentalis Mayfly - Eurylophella Mayfly? - Eurylophella Eurylophella lodi - voucher specimen, in alcohol - Eurylophella Eurylophella verisimilis Ephemeropteran - Eurylophella Ephemerellidae - Eurylophella - male Ephemerellidae - Eurylophella - male

 
 
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