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Bee buzzes could help determine how to save their decreasing population. Widespread and effective monitoring of bees could lead to better management of populations; however, tracking bees is tricky and costly. Now, a research team has developed an inexpensive acoustic listening system using data from small microphones in the field to monitor bees in flight. The study shows how farmers could use the technology to monitor pollination and increase food production. Source 8x.
The key word here is pesticide. Would the bees be dying if we did not use the pesticide. Why give the bees something that may cause an unknown effect on them rather than just stop using the pesticide? This is not rocket science to understand why the bees are dying.
Exposure to neonic pesticides results in early death for honeybee workers and queens. Worker and queen honeybees exposed to field realistic levels of neonicotinoids die sooner, reducing the health of the entire colony, biologists have found. The researchers were also surprised to find that the neonicotinoid contaminated pollen collected by the honeybees came not from crops grown from neonicotinoid treated seeds, but plants growing in areas adjacent to those crops. This is season-long, field realistic research with typical exposure. Source 2k.
Insecticides damage bee socialization and learning skills, study reports. The effects of neonicotinoid insecticides on bees has been widely covered in the news recently, with laboratory-based studies suggesting that the chemicals are harmful, and field studies which are much less clear cut. Adding to current knowledge on the topic, new research further explores the effects that these chemicals may have on social behavior and learning in honey bees. Source 3q.