Fly pattern — a fly pattern by John Derek Leavitt

sizes 12–16

Hand-tied fly

Hook
sizes 12–16
Tippet
4X to 5Xrule of three

From$19.50down to $5.50 a fly

A fly pattern by John Derek Leavitt, made one at a time.

  • Made to order
  • One-off fly, not a production run
  • Full recipe listed below

Tied by @jderekleavitt

Made on Dekasso — a daily derby of AI-painted hats, flies and beers. Save it, vote for it, or remix it.

Recipe

—
This is a subtle but important modification. We've taken the classic soft-hackle pattern and added a sparse, split tail of brown hackle fibers, which will improve the fly's stability in the current and better mimic the emerging mayfly dun. Here is the updated recipe and tying notes for this specific variation.
Hook
Standard wet fly hook (e.g., Mustad 3906), sizes 12-16.
Thread
Brown 8/0 or 70 denier.
Tail
A sparse, split bunch of brown hen hackle fibers, about one hook shank in length.
Body
Stripped brown goose biot (or similar quill substitute).
Hackle
Hungarian partridge feather, natural brown/grey, tied collar style.
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Start the thread at the 2/3 point on the hook shank.
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Tie in a sparse, split tail at the bend, making sure it's the length of the hook shank.
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Secure the thread back down to the bend. Tie in a stripped brown goose biot by the tip at the bend.
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Advance the thread forward to the 2/3 point.
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Carefully wrap the goose biot forward to create a segmented quill body, tying it off at the 2/3 point. Trim excess.
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Prepare a Hungarian partridge feather by stripping the fluff from the base and strobing the fibers back.
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Tie in the feather by the tip at the 2/3 point. Make 1.5 to 2 turns of hackle, ensuring fibers sweep back.
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Whip finish and form a small, neat head. Apply a drop of head cement.
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This modified pattern is an excellent searching pattern for when trout are feeding on emerging mayflies. The split tail gives it a very lifelike profile.

Details

Imitates
Mayfly
Targets
Trout, Grayling
Hook size
12-16
Colors
Brown, Tan

On the water

Made one at a time by John Derek Leavitt. No two come out identical and none of them came off a production line.

What turns up

  • Your flies in a slim foam box
  • A card with the recipe
Lead time
Tied to order, usually within a week
Shipping
Flat $4 shipping, free over $60
If it fails
Fish it. If it falls apart, we replace it.

Goes with it

FLY-ESV88YYSM3QQ

Remixed from

  1. Fly pattern@jderekleavitt · the original
  2. Hand-tied flyyou are here