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Blue-winged Olives
Baetis

Tiny Baetis mayflies are perhaps the most commonly encountered and imitated by anglers on all American trout streams due to their great abundance, widespread distribution, and trout-friendly emergence habits.

Hexagenia limbata (Hex) Mayfly Dun Pictures

This species is very abundant in Flathead and Whitefish Lakes with a smaller population in lakes of the Swan River Drainage, and a few in Lake McDonald in Glacier Park. This species usually emerges along with Ephemera simulans.

This mayfly was collected from Flathead Lake in Montana on July 31st, 2010 and added to Troutnut.com by Bnewell on June 29th, 2011.

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