As climate shifts, a leafhopper bug plagues Argentina’s corn fields

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Argentina News

Corn Field,Leafhopper,Insects

CORDOBA PROVINCE (Argentina), May 7 — Global warming has brought Argentina’s corn farmers a dangerous new enemy: a yellow insect just four millimetres long that thrives in...

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Farmers fear such infestations could become more regular, with fewer frosts in recent years to check the insect’s spread, and forecasts for a warm winter ahead, farmers, weather experts and data analysed by Reuters showed.Some farmers already have said they will sow less corn for next season in favour of other crops such as soy, the South American country’s main cash crop, which is not affected by the bugs.

“The year 2023 was declared the warmest year in history,” Rusticucci said. This helped leafhoppers spread far beyond the warmer northern regions where they usually thrive and where farmers have adapted. Some 10 million tonnes of Argentine corn production has been lost already, and analysts say it could fall further.

Argentina’s government, which did not respond to a request for comment on this story, has looked to speed authorisation for pesticides to fight leafhoppers and recently met with farm associations to coordinate how to mitigate leafhopper damage.

 

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