The Blue Dun is a classic dry fly pattern that was originated to imitate the early mayfly hatches. This dry fly works for a number of hatches including the Blue Winged Olives, Hendricksons, Blue Quills and Quill Gordons.Like many old-style imitation of ephemerals, its wings are made of fiber segment View more...The Blue Dun is a classic dry fly pattern that was originated to imitate the early mayfly hatches. This dry fly works for a number of hatches including the Blue Winged Olives, Hendricksons, Blue Quills and Quill Gordons.Like many old-style imitation of ephemerals, its wings are made of fiber segments from mallard duck wing feathers, making it much more delicate than hair or feather fibers. After catching one or two fish the wings hardly maintain its original shape.On the abdomen, you should use superfine dubbing color "Gray Adams" or make your own dubbing (mixing it in a blender) with muskrat fur.
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List of materials
MATERIALSHook: TMC 100 or equivalent # 12 to 20.Thread: 8/0 gray.Wings: Equal segments of two mallard duck feathers.Tail: Blue dun saddle fibers.Abdomen: Adams Gray or muskrat dubbing.Hackle: Blue dun.
Steps
Step 1
Tie the two segments of duck feather wing with their tips pointing forward, cut the surplus and raise them with a few turns of thread on the base trying to prop them open.
Step 2
Tie the saddle feather fibers of at least twice the length of the hook shank in order to make the tail.
Step 3
Make the cone shaped abdomen with dubbing, leaving a free space equal to that between the wings and the eye of the hook.
Step 4
Tie a rooster feather for dry fly along the abdomen with a fiber length equal to one and a half hook gapes.
Step 5
Make the hackle with a rooster feather. Whip finish.
