Created by the Colorado tailwater specialist Pat Dorsey, this pattern is a go to for any fly angler. As a midge pupa imitation, it can be fished year round wherever water is accessible and is of most importance in the winter months when fish are keyed almost exclusively on midges. The Mercury Midge is a pattern that was evolved from the Black Beauty when Pat added the silver lined bead to the head. The idea behind this is that it imitates the bubble that is created when a midge begins is emergence. Tied in small sizes from 18 – 24 and fished in weighted nymph rigs or as the point fly with a larger attractor pattern above.
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