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Honeybee stings ache for a good reason: This species knows how to brawl. But as it turns out, these black-and-yellow pollinators are quite vulnerable themselves—especially to neonicotinoids, a pesticide commonly used to ward off crop-munching pests. Two new studies, published this week in Science, address this question by studying large populations of bees in multiple locations for months on end. The results add substantial weight to the claim that neonicotinoids damage bee populations.
“I hope that my study kind of makes the debate go away,” says Amro Zayed, an entomologist who studies social insects at York University in Toronto and is co-author of one of the new reports. Even though honeybees are not the intended targets of neonicotinoids, any indication that the resilient insect is suffering from the chemical means less-adaptable species might be in trouble, too. The pesticide is intended to eradicate insects that chew up or suck on grain crops—which is why these substances coat almost all corn and 50 percent of soy seeds in the U.S. “It’s difficult, if not impossible, to find corn not treated with neonicotinoids,” says Shiela Colla, an ecologist also at York who is unaffiliated with the study research.
...according to a new study from Harvard School of Public Health (HSPH)
Insecticides have been in use since the 1950s ir 1960s. Honeybees have been at risk of hive collapse for about the last 10 years or so. How do you explain the time discrepancy?
Shell and Bayer started the development of neonicotinoids back in the 1980s and 1990s. Since this new group of pesticides came to market, the bee population has been devastated in regions where they have been widely used.