Video: How to Tie the WD-40 Plus

Tim Flagler, of Tightline Productions, has already taught us how to tie a standard WD-40, a pattern invented in the early 1980s by guide Mark Engler as an emerging-midge imitation for use on Colorado’s Fryingpan River. In his latest video, Tim offers a twist on the classic, featuring a CDC wing to imitate a later stage of emergence and perhaps make the pattern more visible on the water. As usual, however, it is the way that Tim ties the fly that is most instructive. The way he splits the wingcase around the wing is quite cool.

          WD-40 Plus
          Hook: 2X-short emerger hook (here, a Dai-Riki #125), size 22.
          Thread: Yellow olive, 8/0 or 70-denier.
          Tail/wingcase: Dyed wood-duck mallard flank fibers.
          Wing: Light dun CDC.
          Thorax/legs: Brown Superfine Dubbing
          Abdomen: Tying thread.
          Adhesive: Head cement.

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