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Male Heptagenia culacantha Mayfly Dun Pictures

 Hyun Kounne generously provided photos of the striking, hard-to-find Heptagenia culacantha from the mainstem Delaware River. She mentioned it was one of maybe half a dozen she saw on the water that day.

This mayfly was collected from the Delaware River on June 3rd, 2017 and added to Troutnut.com on December 5th, 2019.

Photo credit: Hyun Kounne  Male Heptagenia culacantha Mayfly Dun from the Delaware River in New York
Photo credit: Hyun Kounne
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Photo credit: Hyun Kounne  Male Heptagenia culacantha Mayfly Dun from the Delaware River in New York
Photo credit: Hyun Kounne
Photo credit: Hyun Kounne  Male Heptagenia culacantha Mayfly Dun from the Delaware River in New York
Photo credit: Hyun Kounne

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