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Related Experiment Video

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Radio Frequency Identification and Motion-sensitive Video Efficiently Automate Recording of Unrewarded Choice Behavior by Bumblebees
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Bumblebees learn polarization patterns.

James J Foster1, Camilla R Sharkey1, Alicia V A Gaworska1

  • 1School of Biological Sciences, University of Bristol, Woodland Road, Bristol, BS8 1UG, UK.

Current Biology : CB
|June 10, 2014
PubMed
Summary
This summary is machine-generated.

Bumblebees can learn flower polarization patterns for food, a newly discovered non-navigational use of their polarization vision. This ability, mediated by the dorsal rim area (DRA), may help bees find food sources.

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Area of Science:

  • Animal Behavior
  • Sensory Ecology
  • Insect Vision

Background:

  • Bees navigate using skylight polarization patterns, processed by the dorsal rim area (DRA).
  • Polarization vision's non-navigational roles in bees remain unidentified, unlike in other insects.

Purpose of the Study:

  • To investigate bumblebees' ability to learn polarization patterns on artificial flowers for food rewards.
  • To identify potential non-navigational functions of polarization vision in bees.

Main Methods:

  • Training bumblebees (Bombus terrestris) to discriminate between differently polarized artificial flower targets.
  • Viewing artificial flowers from below to assess learning.
  • Polarization imaging of real bee-pollinated flowers.

Main Results:

  • Bumblebees successfully learned to discriminate between polarized targets when viewed from below.
  • Real flowers exhibit polarization patterns, suggesting a visual cue for bees.

Conclusions:

  • Bees can learn polarization patterns on flowers, representing a novel non-navigational function of their polarization vision.
  • Polarization vision, potentially via the DRA, may aid bees in both navigation and foraging.