Grasshoppers are found across the United States, but outbreaks of pest species are most common in the Plains and Western states.
"They're grass eaters," said Tom Wright, a rancher near Newcastle in northeast Wyoming about 20 miles from the South Dakota border. "They'll eat the leaves and leave the stem. And they will eat the stems finally.
"When they're really thick, people say they'll eat T-shirts on a clothesline," he said as he recalled a time in the mid-1980s when the grasshoppers were so thick that you couldn't put your hand on the shady side of a fence post without squashing one.
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