Dry FlybeginnerPacific Northwest
Stimulator (PNW variant)
Flybox sourcing profile
No TWG price or checkout is active. Use this page to validate the fly, then source it through the mapped tier or trusted fly shops.
Available Sizes#6 - #12
Color Variations
OrangeGoldenYellow
Pattern Ledger
Source Stimulator (PNW variant)
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Sourcing Ledger
Where to source this pattern
TWG checkout is closed. These are current sourcing leads, scored by mapped tier, region, species, fly type, and named-pattern evidence. Confirm availability directly with the tier or shop.
Regional shopStrong match
Pacific Fly Fishers
Matched on Pacific Northwest, dry flies, trout. Pacific Northwest shop with a large online catalog and steelhead/trout regional relevance.
Pacific Northwestdry fliestrout
Visit sourceBroad sourceStrong match
Fulling Mill Flies
Matched on dry flies, trout, nymph. Large pattern house with broad freshwater and saltwater fly categories.
dry fliestroutnymph
Visit sourceBroad sourceStrong match
Big Y Fly Co.
Matched on dry flies, trout, nymph. Broad by-type catalog useful for common benchmark patterns and inexpensive backups.
dry fliestroutnymph
Visit sourceRegional shopStrong match
Dette Flies
Matched on dry flies, trout, dry. Catskill lineage fly shop with deep dry-fly, wet-fly, and Northeast trout relevance.
dry fliestroutdry
Visit sourceRegional shopStrong match
Driftless Angler
Matched on dry flies, trout, spring creek. Driftless-specific trout source for spring creek nymphs, dries, and local bug windows.
dry fliestroutspring creek
Visit sourceThe PNW Stimulator is the Rockies version's larger, more dramatic cousin -- upsized for the bigger stoneflies that hatch on rivers like the Deschutes and Yakima. Orange and golden stone colors match the salmonflies and golden stoneflies that emerge in biblical numbers during June and July, carpeting the water with protein and turning every trout in the river into a surface-feeding opportunist. You fish it in heavy water with a short leader and the confidence that comes from knowing the fish are eating something exactly this size. Subtlety is for spring creeks. This is stonefly country.
Quick Facts
TypeDry Fly
Difficultybeginner
SeasonsSummer
Target SpeciesRainbow Trout, Steelhead
Sizes#6 - #12
Best LocationsDeschutes River, OR; Yakima River, WA
Where to Fish It
Deschutes River
OR · Freestone River
Yakima River
WA · Freestone River
Map unavailable. Locations for Stimulator (PNW variant): Deschutes River, OR; Yakima River, WA
Related Reading
hatch guide
Caddis: The Underrated Hatch
Caddisflies outnumber mayflies on most trout streams, yet they receive a fraction of the attention. From the explosive Mother's Day caddis hatch to the giant October caddis of the Pacific Northwest, understanding Trichoptera transforms your fishing from spring through fall.
hatch guide
Stoneflies: When Big Bugs Bring Big Fish
Stonefly hatches produce the most explosive dry-fly fishing of the season. From the legendary salmonfly emergence on western rivers to golden stones across the Pacific Northwest, these big bugs bring the biggest trout to the surface. Consider this your field guide to fishing Plecoptera — the clean-water giants that make twenty-inch trout eat flies the size of your thumb.
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