Blue Winged Olive mayflies create some spectacular early and late season dry fly fishing, and this is a great pattern to imitate them! The slight variation on the Sparkle Dun pattern is incredibly effective - tie up a few to match your local mayflies.

Materials:

Hook: Tiemco 100 size 14-18
Thread: Tiemco 16/0
Tail: Brown Sparkle Yarn
Abdomen: Nature’s Spirit Olive Emergence Dubbing
Wingcase: Brown Sparkle Yarn
Wing: Natural Dun CDC
Thorax: Nature’s Spirit Olive Emergence Dubbing