First outbreak of Japanese beetle identified in Geneva

First outbreak of Japanese beetle identified in Geneva Keystone-SDA

The Swiss canton of Geneva is now also affected by an outbreak of Japanese beetles. The canton is implementing measures to curb their spread.

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The area straddles the municipalities of Corsier, Meinier and Collonge-Bellerive, the Department of the Territory announced on Thursday, pointing out that this exotic insect causes major damage to crops and plants in general.

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It is therefore forbidden to water lawns within a one-kilometre radius of the outbreak to prevent the development of soil-dwelling larvae.

This first limited outbreak was identified thanks to the extensive trapping measures carried out by the canton following isolated captures reported in July. Five individuals were caught in a trap in the Arve-Lac area, while the other traps were negative.

This beetle is spreading rapidly in Switzerland and Europe. Anyone who detects an individual should report it.

Translated from French by DeepL/mga

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