When Should You Use a Worm Fly for Trout Fishing in Kenya? Worm fly fishing involves presenting an artificial worm beneath the water rather than relying on a dry fly floating on the surface. Anglers commonly use the method as part of nymph fishing, especially when trout feed close to the riverbed. https://troutflyfisgky.stck.me/post/2147084/When-Should-You-Use-a-Worm-Fly-for-Trout-Fishing-in-Kenya