Within a carnivore's lifecycle, there is often at least one stage that relies on plant-provided food, e.g., nectar. In fact, carnivore omnivory is far more common than first thought. Contributed by an international team of experts, this book suggests, among other ideas, that presence, or lack of, plant-provided foods for carnivores could determine the success or failure of agricultural ecosystems using Integrated Pest Management systems relying on predators as biological control agents.