Honey bee brain impacted by pesticides

The following is an edited excerpt.

Two new studies have highlighted a negative impact on bees’ ability to learn following exposure to a combination of pesticides commonly used in agriculture. The researchers found that the pesticides, used in the research at levels shown to occur in the wild, could interfere with the learning circuits in the bee’s brain. They also found that bees exposed to combined pesticides were slower to learn or completely forgot important associations between floral scent and food rewards.

In the study in Nature Communications, the University of Dundee’s Dr. Christopher Connolly and his team investigated the impact on bees’ brains of two common pesticides: pesticides used on crops called neonicotinoid pesticides, and another type of pesticide, coumaphos, that is used in honeybee hives to kill the Varroa mite, a parasitic mite that attacks the honey bee.

Related article:  RNA technology gave us a COVID vaccine. It could also help control plant pests without insecticides

Read the full article here: Honey bee brain impacted by pesticides

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