Since 1998, a nymph pattern called the “Evil Weevil” has been growing in popularity. The creation of Calgary fly tier Jeremy Davies, the Evil Weevil nymph and it’s variations have proven their worth on dozens of trout in my own home water, I urge you to give them a try!
In an effort to cash in on the success of “all-peacock” nymph patterns like the ZUGBUG, I tie most of my Evil Weevils using the Arizona “peacock” color for the entire body. (Unlike Jeremy’s original pattern that calls for Arizona “Light Peacock” for the abdomen, natural for the thorax) The variation I use most is shown below…followed by a pheasant tail version…even some of my Klinkhamers have sprouted biot legs…….the list goes on!

Fly Tying The Evil Weevil Nymph Pattern

Hook:Scud/pupa hook Tiemco 2487/Daiiachi 1150
Bead:1/8″ Gold
Weight:med. lead wire
Thread:8/0 brown or olive
Tail:pheasant tail fibers
Rib:Med. gold wire
Back:Thin Skin
Abdomen:Arizona Dubbing, peacock color
Legs:Brown goose biots
Thorax:Arizona Dubbing, peacock color

Fly Tying Evil Weevil Nymph

Position the bead on the hook, make a few wraps of lead behind it. This adds some extra weight, and secures the bead. Make several tight wraps of thread behind the lead and wind your thread back to the rear of the hook. Tie in a small bunch of pheasant tail fibers to form a tail. (the amount depending on the size of the fly you’re tying)

Fly Tying Evil Weevil Nymph

Trim the tag ends of the pheasant tail fibers, tie in your wire rib as shown. Make several tight wraps of thread over it. As you’re winding your thread back, tie in your narrow strip of Thin Skin with the glossy side facing up. (will be folded forward, exposing the dull side when complete)

Fly Tying Evil Weevil Nymph Pattern

Dub a tapered abdomen, leaving it a bit “spiky” as shown.

Fly Tying Evil Weevil Nymph Pattern

Pull the Thin Skin forward as shown and begin winding the wire rib. This secures the Thin Skin, gives the fly a segmented look and adds a little weight/flash. Trim the tag end of the wire rib, pull the Thin Skin back and make several tight wraps of thread in front of it.

Fly Tying

Tie a goose biot on each side of the fly as shown, flaring outward.

Step #7 Fly Tying Pattern

Dub a “spiky” thorax as shown.

Fly Tying Pattern

Pull the Thin Skin tight over the thorax, secure it with several tight wraps of thread behind the bead. Trim the tag end of the Thin Skin, add a few drops of head cement to the final wraps of thread.

The Finished Fly Evil Weevil Nymph Tying Pattern

The Finished Fly -Evil Weevil Nymph

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