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The Caddis Fly is committed to preserving our coldwater fisheries & is a proud supporter of Eugene. Oregon Trout Unlimited.

Blue Winged Olives

You Are Here: HomeFliesBlue Winged Olives

Tiny but incredibly important to the fly fisher. Big fish sip these little but numerous Mayflies that inhabit waters all over the world. Blue Winged Olives hatch often on the nastiest days. Cold water temperatures, nasty days, and sipping rise forms are associated with a great hatch of BWO's.

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