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Université de Neuchâtel

Odour-mediated long-range avoidance of interspecific competition by a solitary endoparasitoid : a time-saving foraging strategy

Tamò, Cristina ; Roelfstra, Lise-Lore ; Guillaume, Suzanne ; Turlings, Ted C. J.

In: Journal of Animal Ecology, 2006, vol. 75, no. 5, p. 1091–1099

1. In studies on optimal foraging strategies, long-range decisions in the pursuit of resource are rarely considered. This is also the case for sympatric parasitoids, which may be confronted with the decision to accept or reject host larvae that are already parasitized by a competing species. They can be expected to reject already parasitized hosts if it is likely that they will lose the...