Description of the Blue Winged Olive, Spinner, Hen Wing - Fly:
Many fly fishers have been baffled by rising trout that seem to ignore every pattern in the fly box. Often these selective fish are keying on spent mayflies. Trout rising to spinners often sip them gently from the surface with a slight pop as they break through the surface tension from below. Then Hen Wing Blue Winged Olive Spinner is a great fly to have for such occasions.