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Some nectars, such of that of the thunder god vine, Tripterygium hypoglaucum, contain alkaloids that are mildly toxic to honeybees, Apis spp. Given a choice, foragers prefer nontoxic honey to that of T. hypoglaucum, but only if there are no alternative nectar sources. Here we show that foragers of the Asian hive bee collecting T. hypoglaucum honey modulate their recruitment dances depending on the...
When a prey animal displays to a predator, the prey benefits because it is less likely to be attacked, and the predator benefits because it can break off an attack that is unlikely to succeed because the prey has been alerted. We argue that an ‘I see you’ signal has coevolved between the Asian hive bee, Apis cerana, and its hornet predator, Vespa velutina. When a hornet approaches a bee colony, guards...
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