Semperfli Rhyacophila Wool
This is a regular fly imitation that the Semperfli team fish and czech nymph with, The Semperfli team developed a good Rhyac wool to make tying the Rhyacophila nymphs easy, with this superb wool. As you can see from the pictures it matches the Ryhac we have found when kick sampling many rivers. Simply wind around the hook, add a clear shellback and cover the head with black permanent marker pen. For an even better imitation add Semperfli Straggle String ss-SF7300FL at the head, which with its UV flecks adds stunning legs..