The Sparkle Dun is one of the best all around Mayfly imitations. Tony demonstrates how to tie a biot body Pale Morning dun PMD. Try a Blue Winged Olive, Mahogany Dun and March Brown version as well.
PMD Sparkle Dun
Thread: Veevus 12/0 Cahill
Hook: TMC 100, Size 16-18
Tail: Rust Antron
Abdomen: PMD Yellow Hareline Turkey Biot
Thorax: PMD Yellow Hareline Micro Fine Dry Fly Dubbing
Wing: Comparadun Deer Hair