The mayfly genus of Siphlonurus, commonly known as Grey Drakes, are an important still water and slow moving water family spanning the US and Canada. Swimming quickly to the surface in a hatch that lasts a number of months, it is the mature spinners returning to the water that offer the fly angler the most consistent action.
Dry/Wet: Dry
Fly Category: True-Fly Pattern
Family: Mayflies
Species: Grey Drake
Life Stage: Adult
