Nu-No Hackle Dun

Hook: Standard dry-fly hook, sizes 20 to 14.
Thread: Size 10/0 (70 denier), color to match the thorax.
Tails: Two or three pieces of clear monofilament.
Abdomen: A narrow strip of .5-millimeter-thick closed-cell
    foam, color to match the natural insect.
Thorax covering & head: A narrow strip of
    1-millimeter-thick closed-cell foam.
Wings: Two pieces of .5-millimeter closed-cell foam.
Thorax: Dry-fly dubbing, color to match the natural insect.
Note: The Nu-No Hackle Dun is perfect for matching
    medium and smaller sized mayflies.