Corixa

Hook: Daiichi 1560, Mustad 3906B, or Tiemco
    3716BL, sizes 16 to 12.
Thread: Bright white, and dark brown or black
    8/0 (70 denier).
Body: Master Bright pearl dubbing.
Wing case: Black or dark brown Swiss straw.
Swimming legs: Quill feathers.
Air bubble: Pearl glass bead.