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Diets and resource partitioning between larvae of three anisopteran species
Authors:Catherine Blois
Institution:(1) Laboratoire d'Ethologie LA 373, Université de Rennes I, Campus de Beaulieu, Avenue du Général Leclerc, 35042 Rennes Cedex, France
Abstract:Analysis of resource partitioning between larvae of three Anisopteran species showed that Aeshna cyanea and Anax imperator (both Aeshnidae) tended to occupy similar ecological niches which were not shared by Libellula depressa (Libellulidae).The diets of these predators and comparisons between trophic availability and diets indicated that prey species eaten varied according to season and predator species, and that some selection of prey species occurred.
Keywords:Anisoptera  Anax imperator  Aeshna cyanea  Libellula depressa  diets  resource partioning
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