If you are going to be a successful dry fly fisherman, there is one bug, a mayfly, that must be absolutely precise in its construction. No One makes mayflies like DFI. Our mayflies are designed and tied by master American tiers, and the sizes and colors match the hatches perfectly. Our profuse use of biots make the abdomens striated, many of the wings are quill--fastidiously carved to the exact shape of a mayfly wing, and the tailing fibers are either split or straight and variegated. The proceeding list of mayflies might be the most productive assortment ever assembled.