Collectors find plenty of bees but far fewer species than in the 1950s
A look at global insect collections suggests bee diversity has dropped sharply since the 1990s
A new study reports recent massive losses in bee diversity worldwide. Many bees, such as this endangered Bombus dahlbomii bumblebee, found in Chile, are threatened by habitat loss and diseases spread by invasive European bees.
Jose Montalva/Flickr (CC BY-NC-SA 2.0)