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"Extended Body Caddis Emerger"

This pattern was invented by Jeff Yamagata, and can be found in the March/April 1999 issue of American Angler. Take a look at the article for a picture of how the fly looks. It represents, as its name implies, the emerging-insect stage in the life of the caddis. It can be used in moving water and in stillwater situations. It should be dead-drifted under an indicator, or by casting across current with a sink-tip line. There is a weighted and an unweighted version. The pattern discussed below is the unweighted version; for the weighted version, add a solid gold (or other bead of your choice) bead at the head; if heavier water is expected, also add wraps of lead as warranted. Color is also a matter of choice--Jeff Yamagata recommends olive, dark olive, brown, rust, cinnamon and black; I have tied it in an orangish color to represent the October Caddis.


Hook 2X long nymph hook of choice, #8-16
Thread Black
Underbody Marabou
Overbody Vernille or ultra-chenille
Rib Pearl Crystal Flash
Collar Grouse or partridge aftershaft
Legs Partridge or grouse fibers
Antennae Pheasant tail fibers
Head Peacock (or bead, if weighted version)


1. Tie on a piece of crystal flash just above back of barb. At the same point, tie in 6-15 marabou fibers, by their tip.
2. Wrap marabou up hook shank to a point 1/3 hook length behind eye.
3. Prepare a piece of vernille or ultra chenille by cutting it to 1" in length, and applying some heat (not too much) to one end, so it will have a tapered look. Tie this onto the top of the hook, at the point where the marabou underbody terminates behind the eye. It should stick out about 1/3 shank length beyond bend of hook, to form the extended body shape.
4. Take the crystal flash and rib over the chenille, thereby tying it down; tie off crystal flash at front of body.
5. Tie in and wrap an aftershaft feather in front of the body.
6. Spread small bunch of grouse or partridge fibers around the hook for the legs, in front of the aftershaft.
7. Tie in 2 pheasant tail fibers for the antennae; they should extend back over the body
8. Wrap a piece of peacock herl for the head of the pupa, form a nice small head of thread and tie off.

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Copyright 1998 by Granite Bay Flycasters unless otherwise noted.