
A quarter of all known bee species haven't been seen since the 1990s
Giant Patagonian bumblebees used to be abundant in Chile and Argentina, but are now an uncommon sight The number of bee species recorded worldwide has been sharply decreasing since the 1990s. Eduardo Zattara and Marcelo Aizen at the National University of Comahue in Argentina analysed how many...
They found that there were a quarter fewer species reported between 2006 and 2015, as compared with the records we have from before 1990.
The decline is especially alarming considering the number of bee records in this database has increased by around 55 per cent since 2000, so it isn’t down to a lack of observations."
