Experiment in which late-stage Nemoura cinerea (PLecoptera: Nemouridae) to ambient (13 C) and elevated (18C) temperatures and 4 hdyrological regimes (permanently wet [A], 1 week dry, then submerged [B], 2 weeks dry, then submerged [C], 3 weeks dry, then submerged [D]. Time of emergence and fitness parameters are recorded.