Winter stoneflies of the genus Allocapnia (Plecoptera, Capniidae) have low vagility, and apparently first evolved in the Appalachian system from where they slowly dispersed and speciated at different ...

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Eight constant temperature baths, maintained at increments of 2@?C, were used in the laboratory to evaluate rates of growth, food consumption, and egestion of the carnivorous stonefly nymph, ...