Ally Gowans’s pattern has probably accounted for more salmon than any other contemporary fly.
Hook: Size 6-14, or tube
Thread: Red
Tag: Silver wire or oval tinsel
Tail: Orange bucktail tied long with pearl Krystal Flash
Rear body: Red floss.
Front body: Black floss
Rib: Silver wire or oval tinsel
Underwing and beard: Natural grey squirrel
Overwing: Golden pheasant tippet
Head hackle: Orange cock
Head: Red
Try this low-riding Mayfly Dun for fussy trout that refuse a high-riding dry-fly.