The Mercury Blood Midge is a pattern from Pat Dorsey. You can tie the fly on a variety of hooks like the Tiemco 200 R, TMC 101 or Firehole 633. I like to add a coat of UV resin or head cement to add some extra durability to the fly. It pre-darkens the body to what it will look like when wet. Mercury Blood Midge fly pattern recipe (Pat Dorsey) Hook: Firehole 633 #18-24 Bead: Glass seed bead 11/0 Thread: Red 8/0 (70d) Rib: Gold Ultrawire Thorax: Peacock herl
