A Field Study On Interspecific Competition Between Ants (Formicidae) and Hunting Spiders (Lycosidae, Gnaphosidae, Ctenidae, Pisauridae, Clubionidae)

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Abstract
Much theoretical work has been done on the ecological aspects and evolutionary implications of interspecific competition. This work has often been illustrated by laboratory experiments, but experimental evidence from the field is rather scanty as far as arthropods are con- cerned. In the dunes of the Water-supply Company of The Hague, situated between The Hague and Wassenaar, ants and hunting spiders occur in fairly large numbers. Since both are important non-specialized predators of arthropods, they could be competitors. The study reported here was undertaken to test this hypothesis.

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