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Superfamily Ephemeroidea

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mayfly - Ephemera simulans - male mayfly - Ephemera simulans - male dark brown mayfly - Ephemera simulans - female dark brown mayfly - Ephemera simulans - female Mayfly1 - Ephemera simulans - male Mayfly1 - Ephemera simulans - male Pennsylvania Dun for ID - Ephemera simulans Pennsylvania Dun for ID - Ephemera simulans Ephemeroptera - Ephemera simulans Ephemeroptera - Ephemera simulans Ephemeroptera - Ephemera simulans Dark brown mayfly on white - Ephemera simulans Common Burrower Mayfly - Ephemera simulates ? - Ephemera simulans mayfly - Ephemera simulans Ephemeroptera - Ephemera simulans Ephemeroptera - Ephemera simulans Specklewing Mayfly (Ephemera simulans) - Ephemera simulans May fly - Ephemera simulans Brown Drake? - Ephemera simulans Ephemeroptera - Ephemera simulans brown drake in spider web - Ephemera simulans brown drake in spider web - Ephemera simulans ID request of a mayfly - Ephemera simulans Ephemeroptera - Ephemera simulans

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