Dish Soap, Sticky Tape, Vacuums: This is how People Are Battling 'Nightmare Bugs' in Pennsylvania
In the Great Spotted Lanternfly War, Pennsylvania’s citizen-soldiers are fighting back with fly swatters and vacuums, dish soap and sticky tape.
In the Great Spotted Lanternfly War, Pennsylvania’s citizen-soldiers are fighting back with fly swatters and vacuums, dish soap and sticky tape. They’re stomping and spraying and zapping and bragging about their kills on social media. “DESTROY THEM,” a propaganda poster urges. “Die, die, die, spotted lanternfly,” a balladeer sings.
And still the invaders come, hordes of them, relentless and seemingly inexhaustible. The lanternflies’ rampage has been slowed but not stopped.
The insect — a large, colourful planthopper native to southeast Asia — has emerged as a serious pest since the federal government confirmed its arrival in southeastern Pennsylvania five years ago. It sucks the sap from valuable trees and vines, weakening them. It rains its clear, sticky, sugary waste — euphemistically called “honeydew” — onto pools and decks, driving exasperated homeowners indoors when they’re not too busy killing the fluttering buggers.
Lanternflies aren’t shy, either. They will fly in your face, land on your shirt and crawl on the back of your neck.
More worrisome, the state agriculture department says the lanternflies threaten $18 billion worth of Pennsylvania agriculture, including tree fruit, timber, hops and especially grapes. And the bug has expanded its range into New Jersey, Delaware and Virginia, alarming officials in those states and beyond as well as the U.S. Department of Agriculture, which is involved in containment and suppression efforts.
Though researchers are looking for ways to eradicate the red-winged interloper, “controlling them on a population level is almost impossible at this point,” said Heather Leach, an entomologist who does lanternfly outreach at Penn State Extension.
Lori Beatrice can relate. Battalions of bugs have been swarming her back deck in Phoenixville, about 30 miles (48 kilometers) from Philadelphia. She and her husband have killed thousands, but “we’re outnumbered,” Beatrice said. “It’s just gross. It’s disgusting. It’s like waking up in a nightmare.”
The yearslong infestation poses an existential threat to grapes that supply Pennsylvania’s $4.8 billion wine industry.
Dean Scott, who grows grapes for local wineries around Kutztown, has been spraying insecticide on his vines in an effort to keep the bugs at bay. It works for a few days, but they inevitably return. The carnage is evident in the blackened trunks of diseased grapes vines, and in the thousands of dead insects that litter the vineyard. One of Scott’s fellow growers left the business after losing 40 acres (16 hectares) of vines.
“It’s depressing,” said Scott, whose vineyard produces 12 tons (11 metric tons) to 15 tons (14 metric tons) of grapes each year, and who is counting on it to help support him in retirement. “My fear is that if this continues, we’re going to lose the battle here in Pennsylvania.”
Scientists from Penn State University, Cornell University and elsewhere are trying to prevent that from happening. They’re testing chemical and biological methods of control, including native fungi implicated in a lanternfly die-off in Berks County. Government contractors, meanwhile, are removing tree of heaven — an invasive tree that is the lanternflies’ preferred host — from public property. The states with the heaviest infestations have established quarantines meant to limit the bugs’ spread.
And now, with females beginning to lay their eggs, Pennsylvania is encouraging its citizen militia to scrape the mud-like egg masses from trees, cars, lawn furniture, outdoor equipment and other surfaces.
“We’re heading into the season where everyday people can have the greatest impact on what happens next year,” said Department of Agriculture spokeswoman Shannon Powers. “Every egg mass you scrape gets rid of 30 to 60 insects that might hatch out next season.”
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