Hook:

10 - 16 Tiemco 100 or other standard  dry fly

Thread:

8/0 Uni-Thread Brown

Abdomen:

Cinnamon Superfine dubbing

Indicator:

Small bunch of Chartreuse Hi-Vis or Polypropylene

Thorax:

Cinnamon Superfine dubbing

Hackle:

Brown dry-fly tied sparse

Probably the most often seen "standard" ant.   Tie one on behind a hopper in late summer - can't go wrong!