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Peeping Caddis (Fur Case)
By Carl Richards and Bob Braendle

Eruciform Larvae
(Case-Making Larvae)

Studies have found that at certain seasons trout consume a huge number of case-making larvae, case and all. These larvae make up a high percentage of the trout's diet in the fall, winter and spring. This is because there is not much else to eat and the stream bottoms are devoid of aquatic vegetation which makes the larvae crawling on the substrate vulnerable. In spring and summer there are plenty of soft-bodied insects to eat and the fish probably prefer these to the hard-cased larvae.

These larvae make their cases from sand grains, peppbles and various peices of plant life. Study the pictures of the different cases in the last part of this book and you will be able to imitate the cases of caddisflies that make cases with the two techniques we feature [only one shown here]. Keep in mind some of the caddis larvae are small but numerous like the Grannom, and some are less numerous but very large. The very large ones are fine searching patterns and will take large trout.

Materials, Peeping Caddis (Fur Case):
Grannom (Brachycenrus)

    Hook: Tiemco TMC 5212, 2XL, size 14.

    Case: Spun fur from a hare's mask, guard hairs included (other fur such as muskrat, possom, beaver; etc. can be used depending on the color of the case other species' have.)

    Legs: Partridge hackle.

    Head: Antroe yarn in yellow or olive.

    Weight: Lead wire [where legal].

    Thread: Brown.

Method, Peeping Caddis (Fur Case):

    Step 1

      1. Weight the hook by wrapping lead wire on the hook so it is on the top of the hook.

      Step 2

      2. Take a one-inch piece of Antron yarn and hold the end over a cigarette lighter. The fibers will fuse and turn brown. Tie-in the yarn on top of the hook at the bend so the dark head protrudes over the bend.

      Step 3

      3. Tie-in a small partridge feather just after the yarn head and wrap two turns of hackle.

      Step 4

      4. Use a Dubbing Loop to dub the case. It should be thick and contain the guard hairs and taper smaller back to the eyes of the hook. Brush the hair out with a stiff toothbrush.

      Step 5

      5. Clip the body to an even square taper. Some caddisflies in this family have round cases so either shape will be accurate. Check the cases in your river to see which is the most common. Some families have rougher cases such as Limnephilidae. These can be left unclipped. Fur from different animals can be used for different colors. ~ Carl Richards and Bob Braendle

    Publisher's Note: For more information on the Grannom Caddis, check out this article in Not Quite Entomology.

    Credit: This fly is one of many in the book Caddis Super Hatches by Carl Richards and Bob Braendle. Published by Frank Amato Publications, in 1997. $24.95 US.

For more great flies, check out: Beginning Fly Tying, Intermediate Fly Tying and Advanced Fly Tying.

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