Behavioral alteration in the honeybee due to parasite-induced energetic stress
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Parasites are dependent on their hosts for energy and honeybee foragers with their high metabolic demand due to flight are especially prone to an energetic stress when they are infected. The microsporidian gut parasite Nosema ceranae is relatively new to the honeybee, Apis mellifera and because it is less co-evolved with its new host the virulence from infection can be particularly high. Using a series of feeding and survival experiments, I found that bees infected with N. ceranae have a higher appetite and hunger level, and the survival of infected bees is compromised when they are fed with a ...