This is one of my favorite flies for fishing in lakes.  It is also a fly that was picked up by Umpqua Feather Merchants.

Materials:
Hook: Hanak 400 or 450
Bead: Chartreuse Slotted Tungsten
Tail: Black Marabou (3x body length)
Flash: Black Holographic Flashabou
Rib: Black Holographic Flashabou
Body: Black Peacock Ice Dub
Hackle: Black Hen
Collar: Fl. Yellow Ice Dub