World’s Biggest Bumblebee at Risk of Extinction

John R. Platt, Scientific American

I’ve seen some big bumblebees in my time, but nothing like South America’s Bombus dahlbomii. “It looks like a flying mouse,” says Sarina Jepsen, endangered species program director for the The Xerces Society for Invertebrate Conservation. “It’s huge, colorful and incredibly charismatic.”

B. dahlbomii is, in fact, the world’s largest bumblebee. Native to the Patagonia region of Argentina and Chile, the queens of the species can reach an amazing four centimeters in length. That’s two to three times the size of one of the most recognizable North American species, the American bumblebee (B. pensylvanicus).

Read more at ScientificAmerican.com