here is a sweet, simple looking fly designed for the European grayling populations. It is a new material for me, catgut that is, but it has quite a convincing look as a body material. Check out the step by step of the Catgut Nymph here. These look incredible soaked and I need to find some of this material to try out.
Fly hook: Daiichi D900 #16/18
Thread: UniThread 8/0 white
Body: CatGut – white
Head and torax: Dubbing – Mad rabbit Dubbing – natural