D0031 - Spruce Moth Elk Hair Caddis
The Spruce Moth Elk Hair Caddis is a summertime Montana staple built for one thing: fooling trout that are keyed in on moths getting knocked off riverside evergreens. With a natural, buggy silhouette and a high-floating elk hair wing, this pattern is deadly when spruce moths start showing up—especially on windy afternoons or warm August mornings when moths get blown onto the water.
Why it works
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The tan/cream body nails the look of a spruce moth riding the surface
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Elk hair wing keeps it buoyant in riffles, chop, and fast pocket water
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Fish see it as an easy, high-calorie snack—no complicated hatch required
How to fish it
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Dead drift it tight to the banks, under overhanging trees, and along cutbanks
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Add a subtle twitch to imitate a struggling moth
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It’s also an excellent dry-dropper: hang a small nymph 18–24” below and cover water fast
When spruce moth season hits, this fly turns “slow days” into action. The Spruce Moth Elk Hair Caddis is a must-have dry for late summer on the Gallatin, Madison, Yellowstone, and beyond.
