EmergeradvancedSouthwest & California
RS2
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.
Pattern Ledger
Source RS2
Want help finding this exact pattern or a tied-to-order equivalent? Join the sourcing ledger and we will prioritize demand by water, species, and pattern.
Trusted Sourcing Ledger
Find this fly from an independent source
Exact links are published only after the product name and live page are checked. TWG does not sell the fly, set the price, or control stock, shipping, or returns.
Exact source still under review
We have not published an exact product link for this pattern yet. The directory below can help locate a regional specialist, but it is not proof that the exact fly is currently listed.
Regional source directory
AZ Fly Shop
Matched on Southwest & California, emerger flies, trout. Arizona and Southwest shop lead for desert trout, bass, canal carp, and warmwater patterns.
Taos Fly Shop
Matched on Southwest & California, emerger flies, trout. New Mexico/Southwest trout shop lead for Rio Grande, San Juan, Pecos, and high desert water.
Stillwater Fly Fishing Store
Matched on Southwest & California, emerger flies, trout. Specialist stillwater source for balanced leeches, chironomids, and lake-trout logic.
Fly Fish Food
Matched on emerger flies, trout, midge. Strong technical tying and trout catalog coverage, especially nymphs, dries, and stillwater flies.
These are independent businesses. A listing does not imply endorsement or partnership. TWG currently receives no purchase commission from these links. Any future paid or affiliate relationship will be labeled beside the relevant link.
Two letters, one number, zero fish that can resist it during a BWO hatch. Minimalism at its most lethal.
Quick Facts
Where to Fish It
Hot Creek
CA · Spring Creek
Fall River
CA · Spring Creek
San Juan River
NM · Tailwater
Loading map...
Related Reading
region guide
Southwest: Desert Oasis Fly Fishing
In the arid vastness of the American Southwest, cold water is currency and the rivers that carry it hold world-class fly fishing. From the legendary tailwaters below desert dams to alkaline stillwaters teeming with massive trout, the Southwest defies every expectation.
hatch guide
Midge Fishing: The Tiny Flies That Save the Day
When every other hatch has shut down, midges keep trout feeding. From winter tailwaters to high-altitude stillwaters, Chironomidae are the most abundant insects in freshwater ecosystems. Learning to fish these tiny patterns unlocks twelve months of dry-fly and nymphing opportunities.
seasonal playbook
The Winter Guide: Cold Water, Warm Hands, Willing Fish
Winter separates the dedicated from the fair-weather crowd. The rivers are empty, the hatches are tiny, and the fish feed in slow motion. But they do feed — they have to. And the angler who understands cold-water metabolism, midge biology, and the art of slowing down will find winter fishing not just productive but deeply rewarding.
You Might Also Like
EmergerintermediateHalfback Emerger
FlyboxFind a tier or trusted source
Southwest & California
14-20
A versatile emerger pattern with a peacock herl body and pheasant tail wingcase. Sits in the surface film imitating struggling mayfly and caddis emergers.
Rainbow Trout · Brown Trout
EmergerintermediateCDC Emerger
FlyboxFind a tier or trusted source
Rocky Mountain West
#14 - #22
Cul-de-canard feather emerger. Natural oils in CDC float the fly in the film. Imitates a mayfly struggling to hatch.
Rainbow Trout · Brown Trout · Cutthroat Trout
EmergerintermediateSparkle Pupa
FlyboxFind a tier or trusted source
Rocky Mountain West
#12 - #18
Gary LaFontaine's caddis emerger. Antron sparkle yarn creates a bubble effect mimicking the gas sheath of an emerging caddis pupa.
Rainbow Trout · Brown Trout · Cutthroat Trout
EmergeradvancedCDC Transitional Dun
FlyboxFind a tier or trusted source
Rocky Mountain West
#14 - #22
A hybrid emerger-dun pattern with CDC wings and a trailing nymphal shuck. Sits half-in, half-out of the surface film.
Rainbow Trout · Brown Trout · Cutthroat Trout
EmergerintermediateYellow Breeches Sulphur
FlyboxFind a tier or trusted source
Northeast & Mid-Atlantic
#14 - #18
Sulphur emerger pattern designed for Pennsylvania's legendary limestone spring creeks. Trailing shuck and CDC wing capture the moment Ephemerella dorothea breaks through the surface film.
Brown Trout · Rainbow Trout
EmergerintermediateRS2
FlyboxFind a tier or trusted source
Rocky Mountain West
#18 - #24
Rim Chung's minimalist emerger. CDC or beaver fur wing, thread body. Imitates emerging Baetis and midges in the surface film.
Rainbow Trout · Brown Trout