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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 Eduardo E. Zattara LIFE 22 January 2021 (https://www.newscientist.com/article/2265680-a-quarter-of-all-known-bee-species-havent-been-seen-since-the-1990s/) By Karina Shah 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 wild bee species are observed each year as recorded in the Global Biodiversity Information Facility – a publicly available platform where researchers and citizens can record sightings of bee species. They found that there were a quarter fewer species reported between 2006 and 2015, as compared with the records we have from before 19...