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Detection and learning of floral electric fields by bumblebees
Dominic Clarke1, Heather Whitney, Gregory Sutton
1School of Biological Sciences, University of Bristol, Woodland Road, Bristol BS8 1UG, UK.
Science (New York, N.Y.)
|February 23, 2013
Summary
Bumblebees can detect electric fields generated by flowers, adding a new sensory cue for foraging. This electric field detection aids bumblebee memory and communication with flowers.
Area of Science:
- Entomology
- Sensory Ecology
- Plant-Pollinator Interactions
Background:
- Insects rely on various cues like color, shape, and scent for foraging.
- Pollinator foraging behavior is crucial for plant reproduction.
Purpose of the Study:
- To investigate the role of floral electric fields as a sensory modality for bumblebees.
- To determine if bumblebees can discriminate electric field patterns and if this information aids foraging.
Main Methods:
- Experiments were conducted with bumblebees (Bombus terrestris).
- Floral electric fields and their variations were measured and analyzed.
- Bumblebee responses to electric field cues were observed.
Main Results:
- Bumblebees can detect and discriminate floral electric fields.
- Floral electric fields act as dynamic cues influenced by bee visits.
- Electric field information enhances bumblebee memory of floral rewards.
Conclusions:
- Floral electric fields represent a previously unrecognized sensory modality for bumblebees.
- This sensory input contributes to a complex system of floral cues.
- Electric field detection may facilitate rapid communication between flowers and pollinators.
