Hook:

10 - 16 Tiemco 101 or other standard Straight Eye dry fly

Thread:

8/0 Uni-Thread Brown

Abdomen:

Rust Superfine dubbing

Wing:

3 - 4 strands of Pearl Crystal Flash

Thorax:

Black Superfine dubbing

Hackle:

Brown dry-fly tied sparse

I don’t know why but I think this little ant has worked better for me than any of the other thousand or so I have tried.  Impossible to see, but almost guaranteed to put a smile on your face