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Stable isotopes reveal different patterns of inter‐crop dispersal in two ladybeetle species

1. Dispersal plays a key role in structuring the local population densities of many insect species, yet the movement patterns across the landscape of most species are poorly understood. By measuring the stable isotope of carbon (δ13C) from multiple tissues, a novel approach applied to field‐collected insects, we were able to infer differences in movement patterns of two species of mobile generalist insect predators.