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Family Heptageniidae - Flatheaded Mayflies

 
 
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Cinygma - female Vibrant Yellow Mayfly - Cinygma dimicki Another Yellow Mayfly - Cinygma dimicki - female yellow male subimago? - Cinygma dimicki Very Pale Mayfly - Cinygma lyriforme - female Very Pale Mayfly - Cinygma lyriforme - female Cinygma, maybe dimicki? - Cinygma - female Mayfly: Cinygma integrum? - Cinygma integrum

Rhithrogena?  - Cinygmula Cinygmula subaequalis Cinygmula subaequalis mayfly - Cinygmula mayfly - Cinygmula - male Cinygmula? - Cinygmula subaequalis 9060911 mayfly - Cinygmula Epeorus? Ephemeroptera - Cinygmula reticulata

Mayfly Nymph - Ecdyonurus Ecdyonurus criddlei parastized by Symbiocladius sp. - voucher specimens, in alcohol - Ecdyonurus criddlei Ecdyonurus criddlei parastized by Symbiocladius sp. - voucher specimens, in alcohol - Ecdyonurus criddlei Ecdyonurus criddlei - voucher specimen, in alcohol - Ecdyonurus criddlei Ecdyonurus criddlei - voucher specimen, in alcohol - Ecdyonurus criddlei Ecdyonurus criddlei Ephemeroptera - Ecdyonurus criddlei Heptageniidae? - Ecdyonurus criddlei

Mayfly - Epeorus pleuralis Heptageniidae, genus Epeorus - Epeorus Epeorus pleuralis Mayfly - Epeorus vitreus - female Epeorus ? - Epeorus - male Ephemeroptera - Epeorus another Baetid - Epeorus pleuralis - male Ephemeroptera - Epeorus suffusus

Mayfly - Heptagenia flavescens Heptagenia elegantula? - Heptagenia elegantula Cherry Creek Dog Park Mayfly - Heptagenia elegantula Mayfly  - Heptagenia marginalis Heptageniidae from Mono County - Heptagenia elegantula Shreveport Heptageniid - Heptagenia flavescens - male Shreveport Heptageniid - Heptagenia flavescens - male Oshkosh Mayfly 1 - Heptagenia elegantula

 
 
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