Wetfly Blue Wing Olive Fly (BWO), 1 Dozen Fly Fishing Flies Wetfly Blue Wing Olive Fly (BWO), 1 Dozen Fly Fishing Flies Fish it with a dead drift wherever you see surface feeding Baetis will hatch throughout the year, so keep the pattern handy and keep an eye out for the distinctive, small mayflies with ice-blue colored wings and an olive-green body Fly Shop Quality Fly Fishing Flies tied with Quality Materials and Hooks 1 dozen Fly Fishing Flies included in package. Proven Fly to catch fish