The Japanese beetle, Popillia japonica, has been – in a sense – “standing at the gates” of Switzerland since 2017. This pest was introduced into northern Italy a few years ago, and both the adult beetles and the grubs now pose a threat to Swiss agriculture. Initial trials by Agroscope have shown that the Japanese beetle can also be controlled using entomopathogenic fungi from the Agroscope strain collection. For more information about the Japanese beetle, see: www.popillia.agroscope.ch
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