We’ve Lost 75% Flying Insect Biomass in 30 Years — What Will Birds and Bats Eat?

If you can garden at all, or if you have any access to land, or could get some, find out what plants insects need to feed on and plant some!

More than 75 percent decrease in total flying insect biomass over 27 years

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IMAGE: This is a malaise trap in a nature protection area in Germany. view more 

Credit: Hallmann et al (2017)

The total flying insect biomass decreased by more than 75 percent over 27 years in protected areas, according to a study published October 18, 2017 in the open-access journal PLOS ONE by Caspar Hallmann from Radboud University, The Netherlands, and colleagues.

Insects play a crucial role in ecosystem functioning, pollinating 80 percent of wild plants and providing a food source for 60 percent of birds. Previous research has shown an overall pattern of decline in insect diversity and abundance, but has focused on single species or taxonomic groups, rather than

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