Anglers fishing near Bozeman should be familiar with blue-winged olive(BWO) mayflies as they are an abundant food source for wild Montana Trout. These aqautic insects hatch in prolific numbers, presenting incredible dry fly fishing opportunities while their nymphs are ever-present and equally important in the subsurface fly fishing game.
Blue-winged olive nymphs become increasingly active with warming temperatures in the springtime. Imitating these insects is most effective while fly fishing near Bozeman, Montana between March and June. Our Bozeman fly fishing guides rely on these top 5 BWO Nymph patterns while fly fishing in Montana on the world-renowned rivers near Bozeman.
Slender profile and coloration, perfect for imitating many smaller mayflies. Added flashback to attract attention when hatches are heavy. Fish in size #16-22 under an indicator with weight or as an emerger under a dry fly. Shines while fly fishing shallow areas like shelves and riffles.
Great for heavier nymph rigs fished along the river bottom, especially on cooler days. This is a pattern with lots of movement and seems to garner attention in many different river systems. Works well in sizes #16-18 while fly fishing the Madison and Yellowstone Rivers.
Great for either heavy nymph rigs, swinging, or under a dry fly. The Darth Baetis imitates male BWO insects, often with a darker-reddish head. With a natural look, this fly is a go-to on our Madison River fly fishing trips throughout the spring.
A perdigon-style fly that sinks well and is very durable. You can fish this pattern all day and in many different conditions. It works best under an indicator rig while fly fishing near Bozeman along rocky riverbeds on rivers like the Gallatin and upper Madison.
A classic mayfly imitation. This pattern continues to produce under various circumstances and is a constant presence in the fly box of each of our Bozeman fly fishing guides. It accurately imitates BWO nymphs in small sizes while providing a hint of flash on the wing case.
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