Plants use visual signals to attract pollinators and direct them to their flowers. Visual capabilities of bees have been extensively studied, however, there is no empirical determination of the maximal detection distance of real flowers. Using a six armed radial maze, we tested maximal detection distance of 12 types of natural flowers by bumble bee workers.
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| Aubrieta deltoidea flower was detected by bumble bees from a distance of 40 cm. |
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