As winter gives way to spring, the Blue Wing Olive (BWO) hatch signals the beginning of the prime fly fishing season. With trout emerging from their winter lethargy, the BWO hatch provides an opportunity to target hungry fish actively feeding on both nymphs and adults on the surface. These small mayflies, often no larger than a size 18-20 hook, present a significant food source for trout and trigger intense feeding behavior. Thus, understanding the basics of this hatch and being ready for it will lead to more fish in the net for fly anglers.
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