Sulphur Dun
Ephemerella invaria
''Ephemerella invaria'', the sulphur dun, is a species of spiny crawler mayfly in the family Ephemerellidae. It is found in southeastern and northern Canada and the eastern United States.
| Taxonomy | |
|---|---|
| Kingdom | Animalia |
| Division | Arthropoda |
| Class | Insecta |
| Order | Ephemeroptera |
| Family | Ephemerellidae |
| Genus | Ephemerella |
| Species | E. invaria |
| Photographed in |
|---|
United States of America
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