Re: Tying Buggers
I don't think it can really be as simple as which variation works the best. Since it's a style and there are so many possibilities that can all be productive at any given time, it would be difficult to narrow it down to just one. I've also tied them just about anyway they can be tied.
I even bought the book, "Woolly Wisdom" by Gary Soucie which covers them well.
I also use black, & olive a lot, plus white and chartreuse, or combinations. Actually, I like some flash in mine, and primarily tie them weighted in some form, but can't say I have a preference for weight, as I'll add beads, cones, lead wire along the shank or barbell eyes. And, I'll tie some with no weight too. All have some use depending on conditions.
Doesn't really answer your question, but I like to have some variety for when it's needed.
Since buggers can imitate Leeches, and it's already been mentioned, one variation I particularly like is an all black using ostrich herl in the tail. I've tied a Clouser variation with nothing but ostrich herl & some flash for a long time which is also an excellent leech, so started using the ostrich for buggers too.