
Solitude Blue Wing Olive – Ext Body (D070EX) 6-PackBlue Winged Olives (BWO) are often seen just about everywhere on rivers around the world. This important mayfly hatch is a member of the Baetis genus. Usually a size #16 or similar will suffice on a Blue Winged Olive Hatch. Sometimes it may be necessary to go down to a size #20. These nymphs, dry flies, cripples, and emergers can provide anglers with some incredible fishing.