The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.
Stenacron interpunctatum interpunctatum do have more pics of her ????
Mack.
Sometimes if the difference is dramatic it's even good to two-tone your flies with shellbacks or marking pens.
You know I went through a spell years back where I carried Gary Borgers little color booklet and kept notes as I went...Ok. There! I said it...Nerd!:)