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Correlations between aggressiveness and corpora allata volume, social isolation, age and dietary protein in worker honeybees

Corrélations entre l'agressivité et le volume des corps allates, l'isolement social, l'âge et les protéines alimentaires chez des ouvrières de l'abeille domestique

Summary

The effects of three variables—social isolation, juvenile hormone treatment, and dietary protein—on the volume of the corpora allata in worker honeybees were tested. A significant negative regression was found between juvenile hormone treatment and CA volume. Social isolation has a significant positive effect on CA volume, as does dietary protein in some social contexts. The behavioral effects of these treatment variables were measured by pairing an individual worker with a queen and recording aggressive interactions, if they occurred. In all cases a positive relationship exists between CA volume and aggressiveness. Thus JH treatment has a negative effect on aggressiveness as well as on CA volume. Social isolation and increasing dietary protein both have positive effects on aggressiveness and CA volume.

Resume

On a recherché les effets de trois variables—isolement social, hormone juvénile et protéines alimentaires—sur le volume des corps allates des ouvrières de l'abeille domestique. Une régression négative a été trouvée entre le traitement par l'hormone juvénile et le volume des CA. L'isolement social, ainsi que les protéines alimentaires dans certains contextes sociaux, ont un effet positif significatif sur le volume des CA. Les effets de ces variables sur le comportement ont été mesurés en isolant une ouvrière avec une reine et en enregistrant les éventuelles interactions agressives. Dans tous les cas, il existe une relation positive entre le volume des CA et l'agressivité. Donc, le traitement par l'hormone juvénile a un effet négatif sur l'agressivité aussi bien que sur le volume des CA. L'isolement social et l'augmentation des protéines alimentaires ont tous deux des effets positifs sur l'agressivité et le volume des CA.

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Breed, M.D. Correlations between aggressiveness and corpora allata volume, social isolation, age and dietary protein in worker honeybees. Ins. Soc 30, 482–495 (1983). https://doi.org/10.1007/BF02223979

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Keywords

  • Positive Relationship
  • Social Context
  • Behavioral Effect
  • Social Isolation
  • Dietary Protein