EntSoc’s new position statement on biodiversity

Image: From the Entomological Society of America’s position statement on insects and biodiversity. The Entomological Society of America released another great position statement last week. The statement addresses biodiversity and the causes and consequences of species decline. While interacting with legislative staff in Washington, I’ve been told that these sorts of statements are broadly seen as very useful by policy makers and elected officials. The ability to quickly draw on information from a respected scientific…

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More evidence of insect decline

The biomass of flying insects has declined by a dramatic 76% in western German protected areas, according to a recent publication by Caspar A. Hallmann et al. (2017) PLoS ONE. Over a 27 year period, from 1989 to 2016, biomass of insects captured in malaise traps at 96 unique location-year combinations across a wide variety of habitat types dropped precipitously through time (see their Fig 2 above). While the decline does not appear to be…

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