WD-40

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Olive WD 40
Tying Instructions
Materials:

Notes:This fly was first tied in 1982 for Colorado's Frying Pan River, by Mark Engler. It imitates the larger midges that get trapped in the shuck for extended periods. It is more a style of midge emerger than a specific pattern. Thread and dubbing can be chosen to match the color of any natural, the most popular colors being Olive, Black, Dark Brown, Gray, and Rust. The WD stands for "Wood Duck", of which each pattern uses this material for the tail and wingcase. The original WD-40 had an olive thread body and a muskrat thorax. There are some substitions in which the Wood Duck wingcase has been replaced by Krystal Flash or Razor Foam but this would really make it something other than a WD, wouldn't it. Another interesting variation is to substitute the dubbed abdomen with a glass bead or two. You can also easily incorporate legs to the pattern by utilizing the butt ends of the wingcase rather than trimming them flush to the shank.

A recent variation is the WD-50 designed by Carl Stout. Carl takes the pupa one step further with a wing that is busting out of it's shuck to become an emerger. The wing is often a dyed Mallard Flank in Gray, Olive, Wine, or Brown. The tail continues to be tied with Wood Duck or Mallard dyed Wood Duck and the wingcase is a Pearlescent Flat Tinsel.

Variations:



Brown WD-40 w/ legs
Brown WD40


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BH Black WD-40
Black WD40


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Black Flashy WD-40
WD40


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Loop Wing WD-40
Loop Wing WD40


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OliveGreen Bead WD-40
Olive Bead WD40


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Gray WD-50
 WD50


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Tungsten Brown WD-50
 WD50


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