Fly Tying with Hans- CDC Thorax Dun

CDC Thorax Dun

Karl Stephenson |


This video shows how to tie the CDC Thorax Dun in the style of Rene Harrop. This is a versatile pattern that can be tied in several sizes and colors to match many mayfly species. The coloration in this video matches that of a Blue Winged Olive or Baetis Mayfly.

CDC Thorax Dun Fly Tying Materials

  • Hook: Daiichi 1100 or Tiemco 100 Dry Fly Hook size 14-22
  • Thread: 70 Denier Ultra Thread
  • Wing: Natural Dun CDC (Cul de Canard)
  • Tail: Coq de Leon Fibers
  • Abdomen: Turkey Biot dyed to match natural
  • Legs/Hackle: Dun Dry Fly Hackle
  • Thorax: Nature's Spirit Fine Natural Dubbing
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Materials for this fly

Everything you need to tie this pattern. Pick your colors and sizes below.

  • HookTiemco 100 Hook 25 Pack
    $11.40
  • ThreadUltra Thread 70 Denier
    $2.75
  • WingFulling Mill CDC Feathers 1g
    $10.95
  • TailCoq de Leon
    $15.49
  • AbdomenHareline Turkey Biot Quills
    $3.25
  • Legs/HackleMFC- Whiting 100 Pack Dry Fly Saddle Hackle
    $24.75
  • ThoraxNature's Spirit Fine Natural Dubbing
    $2.70