The baetis BWO hatch is considered by experts to be the most important insect hatch. In fact, you are almost guaranteed to experience a blue wing olive hatch. Compara-Duns are an excellent representation of a variety of insects. They lie flush with the surface and are easy to spot.
Trout Flies / Blue Wing Olive Compara-Dun - The Fly Crate
Blue Wing Olive Wulff – Jackson Hole Fly Company
Blue Winged Olive Size 20 One Dozen
Blue Winged Olive Size 20 One Dozen (12 QTY)
Better-Winged Olives, Global FlyFisher
Size 16 Parachute Blue Wing Olive Dry Flies – theflydoctor
* The most precise BWO, Blue Wing Olive or Beatis pattern out there. * Rides high and true to fool the most wary of fish. * When you see tiny
Blue Wing Olive
Realistic Blue Wing Olive - Fly Tying with Jim Misiura
Animas Blue Winged Olive Nymph - Duranglers Fly Fishing Shop & Guides
Life Cycle #6: Blue Winged Olive / Baetis - Fly Tying Tutorial