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Superfamily Heptagenioidea

 
 
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Stenacron carolina - Imago + Subimago Exuvia - male Stenacron carolina - Imago + Subimago Exuvia - male Flatheaded Mayfly - female Heptageniidae sp? 9077713 mayfly 9077713 mayfly Maccaffertium? aquatic nymph? aquatic nymph? aquatic nymph? Mayfly - Heptageniidae? Mayfly - Heptageniidae? Dead mayfly - female Dead mayfly - female Dead mayfly - female  Stenonema femoratum?  Stenonema femoratum? Mayfly Mayfly Mayfly Mayfly Cool orange mayfly Cool orange mayfly Mayfly - female

 
 
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