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The Biology and Ecology of Parasitoid Wasps of Predatory Arthropods

Journal

ANNUAL REVIEW OF ENTOMOLOGY
Volume 68, Issue -, Pages 109-128

Publisher

ANNUAL REVIEWS
DOI: 10.1146/annurev-ento-120120-111607

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Parasitoid wasps play an important role in insect food chains and biological control programs. They parasitize both herbivorous and predatory insects and arthropods, manipulating their behavior, biology, and ecology to increase their own survival and fitness. Understanding the dynamics of parasitoid-predator interactions is crucial for effective pest control.
Parasitoid wasps are important components of insect food chains and have played a central role in biological control programs for over a century. Although the vast majority of parasitoids exploit insect herbivores as hosts, others parasitize predatory insects and arthropods, such as ladybird beetles, hoverflies, lacewings, ground beetles, and spiders, or are hyperparasitoids. Much of the research on the biology and ecology of parasitoids of predators has focused on ladybird beetles, whose parasitoids may interfere with the control of insect pests like aphids by reducing ladybird abundance. Alternatively, parasitoids of the invasive ladybird Harmonia axyridis may reduce its harmful impact on native ladybird populations. Different life stages of predatory insects and spiders are susceptible to parasitism to different degrees. Many parasitoids of predators exhibit intricate physiological interrelationships with their hosts, adaptively manipulating host behavior, biology, and ecology in ways that increase parasitoid survival and fitness.

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