Can bees simultaneously engage in adaptive foraging behaviour and attend to cryptic predators?

Bees foraging for nectar often have to discriminate between flowers with similar appearance but different nectar rewards. At the same time, they must be vigilant for ambush predators, such as crab spiders, which can camouflage themselves on flowers. We investigated whether bees, Bombus terrestris, can efficiently discriminate similar flower colours while exposed to predation threat […]