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Genus Caenis

 
 
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unknown - Caenis tiny mayfly – genus Caenis? - Caenis tiny mayfly – genus Caenis? - Caenis tiny mayfly – genus Caenis? - Caenis Caenis? - Caenis Caenis? - Caenis Caneis - Caenis another male Caenis? - Caenis male Caenis? - Caenis Caenis? - Caenis male Caenis? - Caenis Caenis Caenis Small Squaregilled Mayfly - Caenis Caenis? - Caenis Caenis? - Caenis Caenis? - Caenis Caenis Caenis 3041657 mayfly - Caenis Caenis? - Caenis Caenis? - Caenis - female Caenis? - Caenis - female Caenis? - Caenis - female

 
 
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