Bumblebees are going extinct in a time of ‘climate chaos’

Loss of vital pollinators, due in part to temperature extremes and fluctuations, could have dire consequences for ecosystems and agriculture.

Bumblebees, among the most important pollinators, are in trouble. Fuzzy and buzzy, they excel at spreading pollen and fertilizing many types of wild flora, as well as crucial agricultural crops like tomatoes, blueberries, and squash.

But their numbers are dropping. New research using a massive dataset found that the insects are far less common than they used to be; in North America, you are nearly 50 percent less likely to see a bumblebee in any given area than you were prior to 1974.

Moreover, several once-common species have disappeared from many areas they were once found, becoming locally extinct in those places. For example, the rusty patched bumblebee, which used to flourish in Ontario, is no longer found in all of Canada—in the U.S., it’s endangered.

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