Classic nymph wet fly fishing flies are the go-to insect fly patterns on the river Bead head and a buggy dubbed body for getting deep in the water column quickly Excellent trout, panfish. bass or steelhead flies. 6 hand tied wet flies size 16. Fish as a dropper nymph pattern under a foam hopper fly pattern Essential trout flies on freestone rivers where insect nymphs are trout food. Bead head nymph patterns get down deep quickly to where the trout and their insect nymph prey both live 90% of the time. Bead head nymph patterns also have a nice drift and swim seductively. Fish as a dropper nymph pattern under a foam hopper fly pattern