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Insect herbivore outbreaks frequently occur and this may be due to factors that restrict top‐down control by parasitoids, for example, host–parasitoid asynchrony, hyperparasitization, resource limitation and climate. Few studies have examined host–parasitoid density relationships during an insect herbivore outbreak in a natural ecosystem with diverse parasitoids. We studied parasitization patterns...
Climate, resource availability and natural enemies are pivotal factors influencing population fluctuations of insects. However, the principal factors underlying insect outbreaks, particularly in natural ecosystems, are still debated and may vary between species.We assessed the role of these factors on psyllid population dynamics during the peak and decline of a Cardiaspina psyllid outbreak in a critically...
Accelerated climate change affects components of complex biological interactions differentially, often causing changes that are difficult to predict. Crop yield and quality are affected by climate change directly, and indirectly, through diseases that themselves will change but remain important. These effects are difficult to dissect and model as their mechanistic bases are generally poorly understood...
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