A must have producer for streams and stillwaters, the Scud (‘shrimp”) patterns an enticing morsel. Check the areas you fish for indications of this tasty morsel and tie accordingly in shades of green, grey, the obligatory orange, even blue. Simple to tie, this pattern has been around along time and lends itself to tying the Czech Nymph patterns (Scuds into Caddis Larva/Pupa patterns).
Chironomid.com has an excellent informational re scuds. On the appropriate rivers and streams, fish the pattern like any clinger/crawler nymph that inhabits the bottom and has been set adrift from the cobble bottom. Check out fishing Czech Nymph patterns and adopt much to the dredging techniques for all but the slowest of streams. Slower, weedier waters are usually a much more vertical, precise presentation.
For those of you that have Shrimp & Lemon on the mind…here are many mouth watering recipes.