Tied by Tim Flagler of Tightline Productions.
I call this fly the Tungsten Rainbow Dart. It's basically a mash-up of three great Lance Egan patterns; the Tungsten Surveyor, Rainbow Warrior, and the Red Dart.
Materials Hook: Barbless jig hook (here, a Lightning Strike JF2), sizes 12-16. Bead: Silver slotted tungsten bead, 7/64-inch. Weight: Lead-free round wire, .015. Thread: Red, 8/0 or 70-denier. Rib: Silver Ultra Wire, small. Tail: Red saddle-hackle fibers. Abdomen: Rainbow Sow-Scud Dubbing. Wingcase: Opal Mirage Tinsel. Thorax: Peacock herl.
How to Tie the Tungsten Red Dart