Most observed native mayflies
Native to the US, by how plants support them, most observed first.
Plant eaters All
2 native animals that feed on plants, most observed first.
Flower visitors All
2 native pollinators and other flower visitors, most observed first.
Other species All
121 native species with no plant ties on record, most observed first.
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Orange Cahill
Stenacron interpunctatum
4,422 observations
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Emergent Mayfly
Hexagenia bilineata
4,143 observations
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Dark Cahill
Stenonema femoratum
3,720 observations
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Red Speckled Dun
Callibaetis ferrugineus
3,147 observations
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Mahogany Dun
Isonychia bicolor
2,298 observations
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Maccaffertium terminatum
1,404 observations
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Speckled Dun
Callibaetis pictus
1,398 observations
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Maccaffertium modestum
1,242 observations