Mechanisms of prey selection by predaceous stoneflies: roles of prey morphology, behavior and predator hunger

@article{Molles1983MechanismsOP,
  title={Mechanisms of prey selection by predaceous stoneflies: roles of prey morphology, behavior and predator hunger},
  author={Manuel C. Molles and Robert D. Pietruszka},
  journal={Oecologia},
  year={1983},
  volume={57},
  pages={25-31}
}
Laboratory feeding experiments using Hesperoperla pacifica (Banks), Perlidae, and Megarcys signata (Hagen), Perlodidae, as predators and Baetis tricaudatus Dodds and Ephemerella altana Allen as prey indicate a strong effect of prey morphology and mobility and predator hunger on prey selection by stoneflies. Knowledge of both dietary composition and feeding behavior was necessary to fully understand prey selection by these stoneflies. Fasted stoneflies presented with live prey ate more E. altana… CONTINUE READING
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