The footprint of this pattern is key, in either wing variant.
On standard dry fly hooks, things can get a little crowded - transferring the pattern to a Daiichi 1270, or TMC 200R adds valuable millimetres, and a semi-emergent profile. The large-eye Daiichi makes tying off the hackle a breeze, so this is my preferred hook. That said, it's not a bad idea to trap a few hackle barbs as you finish the fly (as per Roy Christie's EasyPeasy USD Mayfly, example below) with the effect of imitating anterior legs, thereby adding to the footprint. John Goddard was expeimenting with USD patterns in the 1980's by wrapping the hackle around a fine wire post. Roy's design is arguably simpler to tie and more robust - characteristics common to many of his designs.

Hook: Daiichi 1270 #22
Thread: Uni Trico 17/0
Abdomen: Just a wisp of Fly-rite Poly dubbing #19 light tan
Wing: Turkey flat, grey
Hackle: Whiting Midge Saddle, grizzly
Thorax: Muskrat underfur, pine squirrel cheek, a few strands of chopped Fly-rite antron

