How to tie: Spent Blue Winged Olive AKA BWO

Trout feed on Blue Winged Olive Mayflies (BWO) from March to October in nearly every major fishery. The spent variety offers an easy, realistic looking meal to any hungry fish keyed in on BWOs.
To tie along each month, learn more here:
postflybox.com...

[@berkshireriversflyfishing]

Great pattern fellas!!

[@BeyerOutdoors]

A neat pattern. Thank you for the tying demonstration.

[@Postflybox]

Glad you like it!

[@jordancouch7426]

My kit came with some hackle feathers labeled H.D. Cape DK Dun #14. What is that supposed to be used for? It looks like this fly uses foam instead of hackle? @postflybox