Fly Library

Emergers

Emergers imitate insects transitioning from nymph to adult, suspended in or just below the surface film. During a heavy hatch, trout often key on emergers over fully formed duns — the most overlooked stage in the drift.

14 patterns in this category

BWO emergersBaetis emergers

Barr's Emerger

John Barr's BWO emerger is the definitive trailing-shuck pattern for imitating Blue-Winged Olives tr

Sizes #18–#18

crippled mayfliesfailed emergers

Last Chance Cripple

René Harrop's Last Chance Cripple imitates a mayfly that failed to fully emerge, trapped half-in, ha

Sizes #14–#14

BWO emergersBaetis emergers

BWO Loop Wing Emerger

A CDC loop wing emerger specifically tied to match Blue-Winged Olives. The looped CDC creates a visi

Sizes #18–#18

caddis pupaeemerging caddis

Emerging Caddis Pupa

This pattern captures the explosive moment when a caddis pupa ascends through the water column and b

Sizes #12–#12

mayfly emergersBWO emergers

CDC Emerger

The CDC Emerger exploits the natural oil in CDC (cul de canard) feathers to hang a sparse mayfly eme

Sizes #16–#16

caddis pupaeemerging caddis

Sparkle Pupa

Gary LaFontaine's Sparkle Pupa uses Antron yarn to trap air bubbles around the body, imitating the g

Sizes #12–#12

mayfly emergerscaddis emergers

Klinkhammer Special

Hans van Klinken's Klinkhammer Special is a revolutionary emerger design that uses a curved hook sha

Sizes #12–#12

PMD emergersPale Morning Dun emergers

PMD Emerger

A trailing-shuck emerger pattern specifically colored to match Pale Morning Dun emergence. The pale

Sizes #14–#14

emerging BWOsemerging PMDs

Film Critic

A low-profile emerger that sits right in the surface film, imitating a mayfly struggling to break fr

Sizes #16–#16

crippled mayfliesemerging mayflies

Quigley Cripple

Bob Quigley's Cripple is a hybrid emerger with a nymph body below the film and a hackle-tip wing abo

Sizes #14–#14

emerging baetisBWO emergers

Snowshoe Baetis Emerger

A purpose-built BWO emerger using snowshoe rabbit foot hair for buoyancy and a natural translucent a

Sizes #18–#18

mayfly emergerscaddis emergers

Spotlight Emerger

A modern emerger pattern with a bright foam post for visibility and a sparse body that hangs in the

Sizes #14–#14

BWO emergersmidge emergers

RS2

The RS2 (Rim's Semblance 2) is a devastatingly simple emerger pattern that hangs in the surface film

Sizes #18–#18

mayfly emergersBWO emergers

Snowshoe Emerger

The Snowshoe Emerger uses snowshoe rabbit foot hair as a wing material, providing exceptional floata

Sizes #16–#16