Description of the Trico, Spinner, Xelon, Female - Fly:
Many of us have been baffled by rising trout that seem to ignore every pattern in the fly box. Often these selective fish are keying on spent trico mayflies. Trout rising to spinners often seem to sip them gently from the surface sometimes with a slight pop as they break through the surface tension from below. For ultra selective trout fish a Female Trico Spinner when they are the prominent fly on the water.