Extremely effective, this nymph pattern is readily taken by trout inhabiting still waters. Imitates damselflies, callibaetis and scuds. Per 3. Sizes: 10, 12. Colors: (009)Olive, (116)Burnt Orange, (562)Olive/Burnt Orange. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Flies.