Using optimality models to improve the efficacy of parasitoids in biological control programmes
2016
Wajnberg, Eric | Roitberg, Bernard D. | Boivin, Guy | Institut Sophia Agrobiotech (ISA) ; Institut National de la Recherche Agronomique (INRA)-Université Nice Sophia Antipolis (1965 - 2019) (UNS)-Centre National de la Recherche Scientifique (CNRS) | Simon Fraser University (SFU.ca) | Centre de Recherche et de Développement en Horticulture, Agriculture et Agroalimentaire Canada
International audience
Показать больше [+] Меньше [-]Английский. Biological control of insect pests relies on the ability of natural enemies to limit pest populations. The behaviours expressed by natural enemies against their prey or hosts are modulated by a number of factors and a better understanding of these factors is key to obtaining more efficacious pest control. We propose here that optimality models based upon a behavioural ecology approach can provide a framework that should enable optimisation of biological control practices. We limit our discussion to parasitoid natural enemies and review the factors known to influence the behaviour of these insects. The most important areas that have been studied extensively in the behavioural ecology of insect parasitoids are addressed here: (1) residence time in a host patch, (2) clutch size, (3) sex ratio, (4) host and patch marking, and (5) diet choice. We discuss the implications of the incorporation of these optimality models into efficacious biological control practices and suggest areas where a better knowledge of the behavioural ecology of these insects could improve the efficacy of parasitoid-based pest control.
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