Some of the best flies for rainbow trout include Zonkers, Woolly Buggers, Royal Wulffs, Stimulators, Elk Hair Caddis, Prince Nymphs, Pheasant Tail Nymphs, and Midges. They feed in all levels, so dry flies, nymphs, and streamers work well. Find what they’re eating and choose a fly that matches. Rainbow trout are aggressive eaters. They’ll feast …