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Closeup insects from the Columbia River

Male Heptagenia adaequata Mayfly SpinnerMale Heptagenia adaequata  Mayfly Spinner View 0 PicturesCollected near the Columbia River at Pasco, WA.
Collected July 22, 2012 from the Columbia River in Washington
Added to Troutnut.com by Bnewell on July 26, 2012

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