This common pesticide may be quietly wiping out future bumblebees
A study from the Georgia Institute of Technology reveals that the pesticide sulfoxaflor negatively impacts bumblebee reproduction by altering gene expression in ovarian tissue. These molecular changes could lead to significant declines in bee populations, threatening global agricultural pollination.
Why it matters
The findings highlight the hidden environmental costs of modern pesticides and their potential to disrupt essential ecosystem services like pollination.
Bumblebees may be small, measuring only about an inch long, but they play an enormous role in global agriculture. About one third of the world's food production relies on pollinators such as bees. At the same time, these vital insects face growing pressure from pesticides and other environmental threats.
Modern pesticides have helped farmers protect crops and increase yields, but some can also damage the pollinators that make many harvests possible. One such chemical is sulfoxaflor, a next generation pesticide introduced in 2013 to eliminate sap feeding insects such as aphids on crops including soybeans and corn. While sulfoxaflor is effective against pests, it is also known to be toxic to bees. Scientists are now uncovering how even low levels of exposure may affect bee reproduction at the molecular level.
Common Pesticide Alters Bee Gene Activity
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