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Dark Brown Duns

Scientific Names
MatchScientific Name
**Ameletus cooki
*Diphetor hageni

Like most common names, "Dark Brown Dun" can refer to more than one taxon. For more detail click through to the scientific names.

Mayfly Species Ameletus cooki

These are sometimes called Dark Brown Duns.

Mayfly Species Diphetor hageni

These are very rarely called Dark Brown Duns.
This is one of the most important species of the Baetidae family. It is distributed across the country, but most of its fame comes from excellent hatches in the West.

Diphetor hageni has two former names used in angling literature, Baetis parvus and Baetis divinctus.
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Last update July 19th, 2007.
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