Food alert in bumblebees (Bombus terrestris): possible mechanisms and evolutionary implications

@article{Dornhaus2001FoodAI,
  title={Food alert in bumblebees (Bombus terrestris): possible mechanisms and evolutionary implications},
  author={Anna R. Dornhaus and Lars Chittka},
  journal={Behavioral Ecology and Sociobiology},
  year={2001},
  volume={50},
  pages={570-576}
}
Abstract. The return of a successful bumblebee forager stimulates nestmates to leave the nest and search for food. Here we investigate the mechanisms by which this happens. Successful Bombus terrestris foragers perform irregular runs in their nest, often lasting for several minutes. Run duration is at its maximum when food has just been discovered. Running likely serves to distribute a pheromone, since the information flow between "runners" and "recruits" can be disrupted by eliminating air… 
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Potential application of the bumblebee foraging recruitment pheromone for commercial greenhouse pollination
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Ambient Air Temperature Does Not Predict whether Small or Large Workers Forage in Bumble Bees (Bombus impatiens)
TLDR
No significant effect of ambient or nest temperature on the average size of bees flying to and foraging from a suspended feeder is found, and size variation could not be explained in terms of niche specialization for foragers at different temperatures.
Consistent pollen nutritional intake drives bumble bee (Bombus impatiens) colony growth and reproduction across different habitats
TLDR
It is found that habitat did not influence the collected pollen nutritional quality, and “nutritional intake,” calculated as the colony‐level intake rate of nutrient quantities (protein, lipid, and sugar), was strongly related to colony growth and reproductive output.
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