Honeybees (Apis mellifera) modulate dance communication in response to pollution by imidacloprid
2020
Zhang, Zu Yun | Li, Zhen | Huang, Qiang | Yan, Wei Yu | Zhang, Li Zhen | Zeng, Zhi Jiang
Imidacloprid, one of the most commonly used insecticides, is highly toxic to honeybees and other beneficial insects. Imidacloprid is a chloronicotinyl insecticide, which has a highly specific affinity to the nicotinic acetylcholine receptors (nAChRs) in the honeybee’s nervous system. So it may interfere with dance behavior and memory formation. We found the waggle dances were modulated in honeybees fed sucrose water containing imidacloprid (pesticide group) compared to those fed normal sucrose water (control group). In our data, dancers of the pesticide group significantly increased the variance of divergence angle and the return phases in waggle dances than the control group. And the dance followers in pesticide group significantly increased the variance of crop content than the control group. Furthermore, four learning and memory related genes were significantly regulated at the gene expression levels between pesticide and control group. Our data revealed that the sub-lethal dose of imidacloprid impaired the honeybees’ learning and memory and resulted in cognitive disorder. The dancers may adjust their recruitment behavior leading to the observed reduced number of followers. We conclude that modulation of in-hive communication serves to protect the colony from foraging toxic food.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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