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Blog > Fly Tying > Fly of the Month: David Weaver's "Scud"

Fly of the Month: David Weaver's "Scud"

Published by Dave Kile [dkile] on 2010/12/13 (3904 reads)
By David Weaver

Scuds, or freshwater shrimp, are a staple in the diet of trout. Here in Pennsylvania, they’re associated mainly with limestone streams but in my experience they are widespread in many waters although they are indeed especially numerous in the famous limestoners.

Here in the Cumberland Valley I use scud flies year round and rely on them greatly during the colder months of the year.

Many scud flies, in my opinion, are tied too bulky and stubby.

If you look at scuds, take the time to observe them while they’re actually in the water: they tend to be rather elongated, usually dark olive in color, and they are strong swimmers in short bursts, moving several inches with a strong wiggle motion. Upon coming to rest, they return to the curled shape.

scud"Cress bugs or “sow bugs” by contrast, aren’t swimmers and dead drift when dislodged. Many tiers prefer their scuds heavily weighted by I prefer them un-weighted. This seems to work well for me when sight nymphing.

When you see a trout rooting in weeds – a common sight on weedy limestoners – they’re usually in pretty shallow water or up high against weed beds. An un-weighted scud can be cast ahead of the fish and won’t plunge down in the weeds and snag. Remember, when flushed out from weeds and cover, scuds will dart. As your un-weighted scud drifts toward the trout, give it a twitch and watch that trout!



Anyway, this is a pretty easy fly to tie. Experiment with variations and see what works for you. I like a fairly long tail as scud’s legs stream back pretty far and the long, soft tail helps mimic the scud’s swimming action. On smaller versions, I’ll usually omit the legs at the front. Again, keep the fly fairly slender and dark.

If you’re hankering to do some winter trout fishing on limestone streams, fish these guys with confidence.

Here’s how to tie it:

Hook: #12 down to #20, scud shape or regular nymph hook; olive thread

STEP 1:
Build a thread body on the shank and tie in a tuft of marabou tips (can substitute hackle or mallard flank) at the eye and a larger tuft at the bend to function as a tail.

STEP 2:
Tie in about 2” of black, medium size Ultra Wire at the bend to function as ribbing; then tie about an inch of olive rubber material designed as “scud back” or some similar translucent latex.

STEP 3:
Wrap in a body of mixed olive dubbing with some rabbit guard hair dubbing. Note that scuds tend to be a bit thicker toward the head.

STEP 4:
Pull the latex over the top of the fur body, tie it off, and then wrap the wire over this to create the segmented blood veins. When done, pick out some of the body fur, especially toward the eye of the hook.
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Poster Thread
PatrickC
Posted: 2010/12/13 10:59  Updated: 2010/12/13 10:59
Joined: 2010/5/1
From: NE OH
Posts: 1230
 Re: Fly of the Month: David Weaver's "Scud"
Nice article. An absolute "go to" fly throughout the year. Don't forget the scud on the steelhead tribs. Caught 2 this weekend on scuds!



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