Description
The Trico Nymph is a straightforward yet highly effective fly pattern designed to imitate the slender, dark-colored profile of the Trico mayfly in its aquatic nymph stage. Originating in North America, this fly was developed to target trout feeding on Trico nymphs during their drift or pre-hatch stages, which often occurs in late summer and early fall. Its segmented body, dark coloration, and subtle design make it a reliable choice for clear, slow-moving waters where trout can be highly selective.
Pro Tip
Due to the small size most Midge patters works well.
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Recipe
Hook: Curved or straight-shank nymph hook, sizes 18-24, with a fine wire for a natural presentation Thread: Black, dark gray, or olive, 8/0 or 12/0, for a slender and clean build Tail: Sparse black or dark brown hackle fibers, tied short to mimic the natural nymph's delicate tail Body: Dark thread or fine dubbing in black, dark gray, or brown, wrapped tightly to create a segmented appearance Ribbing: Fine gold, copper, or silver wire, tied spirally for subtle segmentation and added durability Thorax: Slightly bulkier dubbing in black, dark brown, or olive for a realistic contrast Wing Case: Thin film or clear synthetic material for a subtle, natural effect Legs: Sparse partridge or soft hen hackle fibers tied short to represent nymphal legs Head: Thread wraps, finished neatly with a light coat of lacquer for a polished and durable look