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 emergersmidge emergers

RS2

Rim Chung's minimalist masterpiece for selective trout.

Sizes 18–24

mayfly emergersBWO emergers

CDC Emerger

Nature's floatant meets the most critical feeding window.

Sizes 16–22

mayfly emergerscaddis emergers

Klinkhammer Special

The curved-shank emerger that hangs in the film like the real thing.

Sizes 12–18

BWO emergersBaetis emergers

Barr's Emerger

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

Sizes 18–22

caddis pupaeemerging caddis

Emerging Caddis Pupa

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

Sizes 12–18

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 18–22

PMD emergersPale Morning Dun emergers

PMD Emerger

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

Sizes 14–18

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 14–20

mayfly emergersBWO emergers

Snowshoe Emerger

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

Sizes 16–22

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 14–18

caddis pupaeemerging caddis

Sparkle Pupa

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

Sizes 12–16

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 14–20

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–#22

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–#22