MrPerfect
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Farmers and ranchers across the West are bracing for a grasshopper infestation that could devastate millions of acres of crops and land used for grazing
They're also hoping for help from Mother Nature. A cold, damp spell in late May or June could wipe out a good number of the baby grasshoppers, known as nymphs. But if the weather is warm and dry, "I don't think we'll grow a crop in this part of the country," said Pete Lumsden, a farmer in Loring, Montana.
Many of the most destructive grasshopper species have poetic-sounding names: There's the whitewhiskered grasshopper and the threebanded, spottedwinged, redshanked and bigheaded varieties as well. They feed voraciously, eating about half their body weight in foliage each day.
Grasshopper infestations tend to be cyclical; the numbers mount rapidly for two or three years and then plunge back to normal when the insects run out of food or a disease spreads through overcrowded swarms. Last year was fairly bad in several Western states, so this summer could well be the crest, after which the numbers will fall, entomologists said.
Farmers and ranchers across the West are bracing for a grasshopper infestation that could devastate millions of acres of crops and land used for grazing
They're also hoping for help from Mother Nature. A cold, damp spell in late May or June could wipe out a good number of the baby grasshoppers, known as nymphs. But if the weather is warm and dry, "I don't think we'll grow a crop in this part of the country," said Pete Lumsden, a farmer in Loring, Montana.
Many of the most destructive grasshopper species have poetic-sounding names: There's the whitewhiskered grasshopper and the threebanded, spottedwinged, redshanked and bigheaded varieties as well. They feed voraciously, eating about half their body weight in foliage each day.
Grasshopper infestations tend to be cyclical; the numbers mount rapidly for two or three years and then plunge back to normal when the insects run out of food or a disease spreads through overcrowded swarms. Last year was fairly bad in several Western states, so this summer could well be the crest, after which the numbers will fall, entomologists said.
