With a black bead head that offers a tasty-looking underwater profile, this versatile midge is an effective choice when imitating mature baetis or blue-winged olive nymphs. Gets down into the feeding zone quickly for longer drifts at the right depth. Per 2. Sizes: 16, 18, 20. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Flies.