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Determining the phenological and diel concurrence of potentially overlapping predator guilds in a given system provides a gauge of the potential prevalence and importance of synergistic prey suppression. The phenology of pea, aphids (Acyrthosiph[...]
article/chapitre/communication
R. Denno ; M. Peterson ; C. Gratton ; J. Cheng ; G. Langellotto ; A. Huberty ; D. Finke | 2000Feeding-induced plant resistance is a well-documented phenomenon for leaf-chewing insects. Furthermore, feeding-induced resistance provides the mechanistic basis for many cases of delayed interspecific competition, whereby previous feeding by on[...]
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congrès/colloque
congrès/colloque
article/chapitre/communication
M. Eubanks ; R. Denno | 1999We conducted a series of laboratory and field experiments to determine the effects of variation in plant quality and prey species on the survival, dispersal, and population size of a common, omnivorous insect. We also tested the hypothesis that [...]
article/chapitre/communication
The escape response of pea aphids to foliar-foraging predators: factors affecting dropping behaviour
1. The effects of predator species, aphid density, aphid age, diel period, and habitat complexity on the dropping behaviour of the pea aphid Acyrthosiphon pisum were assessed in a series of laboratory and field-cage experiments. 2. The presence [...]
