Quill Wing Blue Dun

The Quill Wing Blue Dun is a classic dry fly featuring traditional quill wing construction from matched mallard wing quills. This time-honored technique creates one of the best footprints and silhouettes of an adult mayfly. A elegant pattern that excels during Blue-Winged Olive and other mayfly hatches.

Quill Wing Blue Dun fly pattern - imitates Mayflies tied for Trout
  • Advanced
  • Spring, Fall
  • Trout
  • Size 12–16

Watch it tied

One video

The Quill Wing Blue Dun is a classic dry fly featuring traditional quill wing construction from matched mallard wing quills. This time-honored technique creates one of the best footprints and silhouettes of an adult mayfly. A elegant pattern that excels during Blue-Winged Olive and other mayfly hatches.

More Dry Flies

See all

Materials

Hook
Mustad R30, size #12–#16
Thread
Sheer 14/0, grey
Wings
Matched mallard wing quill sections
Tail
Grey hackle fibers
Body
Tying thread, built up
Hackle
Blue dun cock hackle

Overview

Quill wing construction represents one of the oldest and most refined dry fly techniques, dating back to the origins of modern fly fishing. The matched wing quill sections create a remarkably realistic wing profile that selective trout find irresistible. This technique requires practice to master—proper wing alignment and proportion are critical. Barry Ord Clarke demonstrates the traditional method that produces consistent results. The minimal materials list belies the skill required for execution.

Related patterns

Behavior & presentation

Natural Behavior
Freshly hatched mayfly duns float downstream as their wings dry, maintaining stationary positions in the current until achieving flight readiness. Trout target these drifting duns during their predictable surface rides through prime feeding lanes.
Where Trout Eat It
Fish intercept duns in the surface film, focusing on seams and runs where adult mayflies drift helplessly.
How to Fish It
Fish with drag-free drift using upstream casts and careful mending to maintain natural float.
Best Water
Target seams and runs in spring creeks, working current breaks where duns concentrate in moderate flow.
Strike Type
Expect visible sipping rises as fish confidently take drifting adults.

Fishing strategy

Rigging Suggestions
Use 12-foot or longer leaders tapered to 5X–7X tippet for spooky fish. Fish on the finest tippet practical for the conditions.
Seasonal Timing
and fall Baetis hatches, typically March through May and September through November. The pattern excels when mayflies with grey wings are emerging.
Pro Tips
Apply floatant sparingly to hackle and tail—avoid the wings. The sparse dressing rides well in the film.
From River & Run

Where to fish it

Rivers anglers pair with this fly, with local shops that stock it.

Open River & Run

River details and fly shops from River & Run, our sister site.

Entomology

Freshly hatched mayfly duns ride downstream currents while their wings gradually dry and harden, maintaining stationary positions relative to the current. Fish selectively target these post-emergence duns during extended float times, exploiting the predictable drift patterns and the insects' temporary inability to achieve flight.

Order
Ephemeroptera
Common name
Mayfly
Organism
insect
Life stage
adult

Pattern details

  • Moving Water
  • Northeast
  • dead-drift
  • baetis-hatch
  • classic
  • modern
  • low-clear-water
  • tailwater
  • freestone
  • spring-creek

Get this fly

Quill Wing Blue Dun, tied and ready to fish

Hook #12 to #16 · Advanced