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Should you squish it? Spotted lanternfly spreads to 21 states

The invasive insect threatens grape and hop crops with no natural predators and spreads via vehicle-transported eggs, prompting quarantines and expert warnings this year.

  • The invasive spotted lanternfly has spread to 21 states this year, extending beyond its East Coast stronghold.
  • Industry and interstate transport drive most spread, as eggs laid in fall resemble mud and cling to vehicle undersides, experts say.
  • Research indicates Spotted lanternfly feeds on grape vines in regions like Lake Erie and also attacks hops, hardwood trees, and invasive tree of heaven.
  • Experts recommend, as some localities have imposed quarantines on interstate goods transport, to squish and report spotted lanternflies to State Departments of Agriculture.
  • In emerging infestations, Spotted lanternfly populations often explode after two years, potentially causing economic harm, warns ecologist Matthew Helmus.
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Should you squish it? Spotted lanternfly spreads to 21 states

Spotted lanternflies threaten grape crops. In order to prevent population spread, some localities have enacted quarantines.

·Birmingham, United States
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KCRA 3 broke the news in Sacramento, United States on Wednesday, August 13, 2025.
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