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Tactile Conditioning And Movement Analysis Of Antennal Sampling Strategies In Honey Bees (Apis mellifera L.)
Published on: December 12, 2012
Thermal learning in the honeybee, Apis mellifera
Tobin J Hammer1, Curtis Hata, James C Nieh
1University of California San Diego, Division of Biological Sciences, Section of Ecology, Behavior, and Evolution, Mail Code 01169500 Gilman Drive, La Jolla, CA 92093-0116, USA.
The Journal of Experimental Biology
|November 17, 2009
Summary
Honeybees can learn to associate warmth with food rewards, improving foraging decisions. Optimal learning occurred with longer intervals and warmer stimuli, suggesting thermosensation plays a key role.
Area of Science:
- Animal behavior
- Neuroethology
- Sensory ecology
Background:
- Honeybee foragers encounter thermal stimuli during foraging and social interactions.
- Understanding honeybee thermal learning is crucial for comprehending foraging strategies and social communication.
Purpose of the Study:
- To investigate honeybee's ability to learn thermal associations with food rewards.
- To determine factors influencing honeybee thermal learning, such as stimulus intensity and interval duration.
Main Methods:
- Utilized the proboscis extension reflex (PER) assay for associative learning.
- Trained honeybees to associate antennal thermal stimuli (warm/cold) with nectar rewards.
- Manipulated inter-trial intervals (ITI) and stimulus intensity to assess learning acquisition.
Main Results:
- Honeybees successfully learned to associate a heated stimulus with a nectar reward.
- Longer ITIs significantly enhanced learning acquisition.
- Learning improved with increased stimulus intensity, with a 38% gain per 10°C increase.
- Bees learned warm stimuli significantly better than cold stimuli.
Conclusions:
- Thermosensation is a viable sensory modality for honeybee associative learning.
- Thermal cues may influence honeybee foraging decisions and social learning through learned associations with rewards.
- This research highlights the underappreciated role of thermosensation in honeybee cognition.
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