Blue-winged Olive - Thorax

The baetis hatch is a fairly significant hatch of mayflies, occurring during much of the year. This makes the blue-winged olive patterns an excellent trout fly to carry in your fly box year around. Trout can be fickle, so carry several "flavors" of baetis, including the blue-winged olive extended body, the blue-winged olive hatchmaster and the blue-winged olive.