Common Fly Types
| Image | Type | Description | Use | Best Season |
|---|---|---|---|---|
 |
Dry Fly (Adams) |
Floats on the surface and imitates adult insects. | Surface feeding / rising trout | Summer |
 |
Nymph (Pheasant Tail) |
Fished below the surface, representing aquatic larvae. | Deep pools / riffles | Year-round |
 |
Emerger (Klinkhamer) |
Represents insects transitioning to adults. | Near-surface feeding | Spring |
 |
Wet Fly (Royal Coachman) |
Imitates drowned or emerging insects. | Swinging / soft hackle presentations | Spring–Fall |
 |
Streamer (Wooly Bugger) |
Mimics baitfish or larger prey; retrieved with movement. | Fast-moving fish / aggressive strikes | Fall |
 |
Terrestrial (Grass Hopper) |
Grasshoppers, beetles, and land insects. | Dry-dropper rigs / summer hatches | Mid–Late Summer |
 |
Salmon Fly (Willie Gunn) |
Large, flashy flies for migratory fish. | Big rivers / swinging | Spring & Fall |
 |
Egg Pattern (Glo Bug) |
Imitate drifting fish eggs. | Salmon runs / steelhead | Fall–Winter |
 |
Worm Pattern (San Juan Worm) |
Simple patterns imitating aquatic worms. | Dirty water / high flow | Spring |