Like all mayflies, the BWO has four life stages which anglers can imitate with their fly patterns: nymph, emerger, dun, and spinner (including spent spinner). Each stage offers an array of possible patterns, and while some prove more effective, it ultimately depends on …

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One way to fish the BWO nymphs is with an indicator of some sort. It can be a bright bobber tied a foot or two above the fly or a dry fly. If using a dry fly, be sure to tie on a BWO to use. It’ll show whether or not the fish are more interesting in the dries rather than the nymphs or emergers.

Feb 17, 2022 · BWO is an acronym that stands for “blue winged olive,” the common name of the most prominent mayfly in fly fishing. Blue winged olives (BWOs) are in the genus baetis, of the family baetidae and ephemerellidae. Their name is derived from the fact that they have blue wings and olive bodies.

Mar 25, 2021 · Because BWO hatches are so commonly a full-column attraction for trout, it’s important to be prepared with flies that represent all three life stages—nymphs, emergers, and dries. Following are a few of my favorites—plus advice on when and how to fish them—to give you a template for fishing a blue-winged olive hatch.

Mar 8, 2019 · One such insect that has caught our attention is the Blue Winged Olive (BWO). In this article, I delve into the fascinating world of the Blue Winged Olive, exploring its physical characteristics, habitat, behavior, and life cycle.

Feb 14, 2019 · “Blue-Winged Olive” is commonly abbreviated as “BWO.” BWOs are also known as “Little Olives.” The Latin name for BWOs is Baetis. Technically, the BWO is a sub-species of Baetis, but many fly fishers use “BWO” and Baetis as synonyms. The Basics. These flies are ubiquitous. You will find them in slow, medium, and fast currents.

Dec 3, 2019 · When considering the classical dry fly patterns that define fly fishing as we know it, the Blue Wing Olive is about as iconic as they come. Also referred to as the BWO, this fly is built to imitate the Baetis mayfly, a small mayfly known for its olive body and dun (or grey) wings.

Feb 9, 2025 · The Blue Wing Olive fly is a small mayfly, typically ranging in size from #16 to #20 in fly fishing terms. It has a slender body of dark olive color, and its wings have a distinctive bluish-gray tint.

Jan 8, 2013 · Found on streams throughout the United States, the Blue-winged Olive (BWO) mayfly is a staple food source on which trout rely year round. If the weather is cold, clammy and wet, chances are good that trout will be actively feeding on Blue-winged Olive duns.