Unlearned and learned behaviour of bumble bees in the absence of reward.

Virginia M. Simonds
In the absence of previous experience with flowers, how do bees distinguish between possible food sources and non-rewarding objects? Unrewarding stimuli (colours in Experiment 1 and patterns in Experiment 2) were presented in a radial arm maze. The unlearned approach responses of bumblebees (Bombus impatiens) were recorded and significant preferences were obtained: the bees chose yellow and blue over other colours, and radial patterns over concentric patterns or unpatterned discs. Habituation was demonstrated when choices...
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