The Dun Stimulator is great pattern to use for larger mayflies and stoneflies. I took the original Stimulator and had it tied in dun with grizzly hackle. This makes a great dry-dropper fly to suspend bead heads.
Buy dozens of trout flies and save. You can mix or match all imported fly patterns. Buy a dozen and Indicate what sizes and patterns you’d like in the notes For example buy one dozen and get 2 each of a dry flies in 3 sizes and 2 each of nymphs in 3 sizes. All imported flies are available at the discounted price.