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Friday, February 23, 2024



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Fall armyworms, a longtime American pest, are munching their way around the globe, raising alarm now in Thailand and throughout Asia after entrenching themselves in Africa.

Experts say the insect was first found outside the Americas in 2016, in Africa, where it has infested up to half of some crops of maize, sorghum and millet. It’s now spread through Yemen and South Asia to Thailand and China.

The incursions of the alien species threaten to upend the balance between costs and returns for farmers in Thailand and elsewhere.

Pesticides are costly, toxic and don’t always work. The bug’s new habitats may lack natural enemies needed to control it, the United Nation’s Food and Agricultural Organization says. It’s holding a conference in Bangkok this week to share information and strategies on battling the pest.

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