Swarm of Locusts May Blow Into Brazil From Argentina, Somar Says

Weather conditions may be forming to send a cloud of locusts in northern Argentina over the border to Brazil, threatening winter crops in the giant farming nation.

Wind currents on Wednesday may take the insects into Brazil, Celso Oliveira, a meteorologist at Somar Meteorologia in Sao Paulo, said by text. They are now about 100 kilometers (62 miles) from the Rio Grande do Sul state border. The swarm could harm wheat, canola and barley crops in the western part of the state, as well as native vegetation, he said.

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In late June, Brazil’s Agriculture Ministry declared a state of emergency in two southern states to allow officials to take precautions. The locusts have remained in Argentine territory since then, after arriving from Paraguay in May. A second cloud is in Paraguay, about 300 kilometers from the border, Argentine officials said Thursday.

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Massive swarms of locusts have ravaged fields in Africa and Pakistan, destroying crops and dealing a crippling blow to economies. While the phenomena has always been present in South America, excessive dryness and warmer temperatures this year have seem them thrive.

The most recent invasions in Argentina were in 2019 and 2017, according to agricultural sanitary service Senasa. Locusts are migratory, able to travel as many as 150 kilometers in a day. They have been known to cross from one province to another, or even from one country to another, in a few hours.

— With assistance by Jonathan Gilbert

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