Woolly Buggers can be used on virtually any kind of fish, and in a variety of conditions. The Gold Bead Black Woolly Buggers head adds weight and flash to the front of the fly, making it even more irresistible to fish. The black marabou tail and body presents itself as a larvae of a stonefly, tadpole or leech. Per 12. Sizes: 2, 4, 6. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Fly Assortments.