There are hundreds of subsurface midge fly patterns. The Miracle Midge has been around for several years. It is a great winter pattern on freestone streams, and even more productive on tailwater trout rivers. Usually tied on a size 18 straight or curved hooks (both work equally well), it is highly effective when tied on size 20 to 22.
Hook: Dai Riki 135 or TMC 2487, size 16 – 22
Bead: 2 mm silver tungsten, small silver-lined hi-lite glass bead or size 11 glass pearl bead
Thread: 8/0 Uni or UTC 70 denier thread (see below)
Rib: Small copper or gold wire
Overbody: Single-strand white floss
Body: Thread colors – peacock blue, gray, fluorescent pink, black, red, yellow, and light cahill