Hunchback Infrequens

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The Hunchback Infrequens (often called the HBI) is a highly realistic mayfly emerger pattern designed by Andy Burk to imitate Ephemerella infrequens (Pale Morning Duns) during tech nical hatch conditions. Its curved "hunchback" profile mimics the struggling, semi-submerged stage of a nymph breaking the surface film, making it effective when trout refuse traditional dries Available in size 14, and 16. Show more