What bee-killing mites can teach us about parasite evolution

An infestation of speck-sized Varroa destructor mites can wipe out an entire colony of honey bees in two to three years if left untreated. Pesticides help beekeepers rid their hives of these parasitic arthropods, which feed on the blood-like liquid inside of their hosts and lay their eggs on larvae, but mite populations become resistant to the chemicals over time. —> Read More