Superb flies John,
I use very similar (but not as nicely tied) black yellow and silver for my infrequent clear-water spring fishing. I NEVER bother tying a body on any of my tube flies. If there is a touch of colour I add a touch of orange and red- williegunn style underneath the black over wing (colours more mixed than your examples) . Possibly tied on a small copper or brass bottle tube (but with long wing), and that's it for me. Pretty close to what you have shown above. Great flies for sure for Atlantic salmon.
Regards
Colin
