The Worst Invasive Species The U.S. Has Seen in 150 Years

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April 29, 2019
The Spotted Lanternfly is considered by the U.S. Department of Agriculture to be the worst invasive species in the last 150 years. That's because they threaten products from wine to apples, lumber and craft beer -- industries that amount to $18 billion in the state of Pennsylvania, alone. The flies are thought to have arrived from China on a shipment of landscaping stone. Cheddar explores what's being done by the Pennsylvania Department of Agriculture to stop their spread.