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Hareline UV2 Caddis Nymph Dubbing-
UV2 Caddis Nymph Dubbing is natural dubbing material for caddis larvae and nymphs. It's soft and easy to dub bodies and thoraxes.
Ultravision UV2 is a proprietary process of dying that enhances material, adds visibility and natural color spectrums. Double dye process gives UV2 materials and flies the added UVF/UVR ultraviolet wave lengths.
UVF is the UV Fluorescence. It is common on everything from street signs to bass lures. Lighter colors have stronger UVF effect on human eyes and darker colors weaker.
UVR is the UV Reflectance. It is a spectrum of wave lengths humans can not perceive yet is extremely common in the animal and insect world. UVR allows mayflies to find mates, and bees to find flowers. Many male birds and bugs have a strong natural UVR signature.