Having finished a SBS for the missing piece, pupa, I finally completed a project of Step By Step tying sequences for all three major life cycle imitations of the Caddis Fly. All three are on my new SBS page.
The nymph - CZ Nymph in 10 easy steps
The pupa - Caddis pupa in 10 easy steps
The adult - CDC Caddis in 10 easy steps