Mass extinction of insects

Up to 50% of all insects may have been lost since 1970 as a result of habitat removal, the increased use of pesticides, invasive species, climate change and light pollution. As many as 40% of the known insect species may be at risk of extinction. In the UK alone, the use of pesticides has doubled since 1995, and 23 species of wasps and bees became extinct between 1900 and 2000. The value of bees as pollinators in the UK is ...