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Eduardo E. Zattara 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. Advertisement 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. ....