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Male Ephemerellidae (Hendricksons, Sulphurs, PMDs, BWOs) Mayfly Dun Pictures

This mayfly was collected from the Henry's Fork of the Snake River on August 11th, 2018 and added to Troutnut.com on June 12th, 2019.

Each ruler mark is 1/16 inch.  Male Ephemerellidae (Hendricksons, Sulphurs, PMDs, BWOs) Mayfly Dun from the Henry's Fork of the Snake River in Idaho
Each ruler mark is 1/16 inch.

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