It looks like you’re referencing a hatch chart or fly selection guide for the Boulder River in Montana, possibly related to Moose Creek (3046)—which might be a stream code or location identifier. Here’s a breakdown to help you with fly fishing in that area:
Boulder River (Montana) Hatch Chart & Fly Recommendations
The Boulder River is a renowned trout stream with prolific hatches. Below are common hatches and effective fly patterns:
Spring (April–June)
1. Blue-Winged Olives (BWOs) – Size 16–20
– Fly Suggestions: Parachute Adams, RS2, CDC Emerger
2. March Browns – Size 12–14
– Fly Suggestions: March Brown Dry, Pheasant Tail Nymph
3. Caddis (Mother’s Day Caddis Hatch) – Size 14–16
– Fly Suggestions: Elk Hair Caddis, X-Caddis, CDC Caddis Emerger
Summer (July–August)
1. Pale Morning Duns (PMDs) – Size 14–18
– Fly Suggestions: PMD Sparkle Dun, CDC Comparadun
2. Yellow Sallies – Size 14–16
– Fly Suggestions: Yellow Stimulator, Hare’s Ear Nymph
3. Terrestrials (Ants, Beetles, Hoppers)
– Fly Suggestions: Dave’s Hopper, Chernobyl Ant, Parachute Ant
Fall (September–October)
1. Blue-Winged Olives (BWOs, Fall Return) – Size 18–22
– Fly Suggestions: BWO Sparkle Dun, Zebra Midge (dropper)
2. October Caddis – Size 8–12
– Fly Suggestions: Orange Stimulator, October Caddis Pupae
Moose Creek (3046) Specifics
If Moose Creek is a tributary or nearby fishery:
– Expect smaller, wild trout (cutthroat, rainbows, brookies).
– Early-season stoneflies (Skwalas, Golden Stones) may be present.
– Terrestrials dominate in late summer—try hoppers and ants.
Recommended Fly Box for Boulder River/Moose Creek
| Hatch | Dry Flies | Nymphs/Emergers |
|—————-|———————-|———————-|
| BWOs | Parachute Adams | RS2, Pheasant Tail |
| PMDs | PMD Sparkle Dun | Hare’s Ear Soft Hack |
| Caddis | Elk Hair Caddis | CDC Caddis Emerger |
| Stoneflies | Stimulator (Golden) | Pat’s Rubber Legs |
| Terrestrials | Dave’s Hopper | – |
Would you like more details on access points, best fishing techniques, or seasonal flows? Tight lines! 🎣
