TOKYO -- Venomous fire ants that hitched rides to Japan aboard container ships are surviving the winters and multiplying to such an extent that nursery school staff are being trained to spot the potentially deadly invaders.
Environment
Japan goes to war against invasive fire ants
Container ship stowaways survive winters far from their native South America
A fire ant is found in Hyogo Prefecture in August 2017. Japan is struggling to control the spread of the invasive species. (Photo by Kento Awashima)
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