Mayflies make up a big part of a trout's diet, so when you're visiting prime waters spring through fall, make sure you have the Prestige Mayfly Life Cycle 16-Pack Fly Assortment on hand! These mayfly patterns feature lifelike patterns that mimic the entire mayfly lifecycle, meaning you'll have trout chasing your fly whether you're bouncing a nymph along the bottom or drifting a dry to fish slurping meals off the surface. The Prestige Mayfly Life Cycle 16-Pack Fly Assortment includes 2 each of: Bead-Head Hare's Ear #16; Bead-Head Pheasant Tail in #14 and #18; Bead-Head Epoxy Back Copper Nymph #14; RS2 in Grey #16; High-Vis Parachute in BWO #18; High-Vis Parachute in PMD #16; and Parachute Adams #14.