Predators, parasites, pests and the paradox of biological control

20 enero 2015

When a bird swoops down and grabs a caterpillar devouring your backyard garden, you might view it as a clear victory for natural pest control. But what if that caterpillar is infected with larvae from a tiny parasitic wasp–another agent of biological pest control. Who should you root for now, the bird or the wasp?