The invasive spotted lanternfly (Lycorma delicatula) lays its eggs in masses, which often resemble splotches of mud, on tree limbs and trunks.A study in Pennsylvania finds that putting infested wood through a wood chipper effectively destroys spotted lanternfly egg masses, and researchers recommend the practice for reducing the potential spread of the pest. Because the spotted lanternfly’s primary target is Tree of Heaven (Ailanthus altissima)—though it will also feed more than 70 other plant species, including grapes, hops, and fruit trees—one of the first questions asked was how infested wood should best be handled. Cars and tires should be inspected to make sure the insect is not hitching a ride, she said. And, there are no data to suggest these remedies will work on the spotted lanternfly, she said. Once you have identified a spotted lanternfly egg mass, killing its contents is straightforward, she said. The gypsy moth eggs, right, are covered in brown hairs and appear fuzzy. Photo: PA Department of Agriculture. The spotted lanternfly can lay masses of 30 to 50 eggs at once. They hope to soon come up with a way to reach those areas with pesticides. Insecticides. “When these points in the insect’s life cycle occur are highly variable, so chipping is advised year-round to be safe,” he says. The eggs can be found everywhere including: Pennsylvania residents who encounter the spotted lanternfly should report its location to the Penn State hotline at 1-888-422-3359 or online at A study published this month in the open-access Journal of Insect Science provides an official answer: chipping. Click to email this to a friend (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pinterest (Opens in new window), When the Path Less Traveled Leads to Hissing Cockroaches for a More Inclusive Tomorrow, New and Easy Marking Method Tracks Bees Without Killing Them, has begun to spread in the eastern United States, study published this month in the open-access. Hold a bottle, like a plastic Gatorade bottle, in front of the bug’s face. But what if you could make it a game? If you’re shopping around for the perfect Christmas tree, stick to local sources. Spotted lanternfly will lay their eggs on almost any nearby flat surface, so be sure to check tree trunks and branches, rocks and equipment stored outdoors. Add rubbing alcohol or hand sanitizer to the inside of a zipper-sealed plastic bag. Philadelphians’ joy in killing spotted lanternflies another sign of just how much we hate outsiders | Opinion. HUNTINGDON VALLEY, PA, UNITED STATES, November 10, 2020 / / — Now that the cooler fall weather is here, the adult Spotted Lanternfly are laying thousands of eggs which will hatch next spring. Chipping to Destroy Egg Masses of the Spotted Lanternfly. In 2015, shortly after the invasive insect was first discovered in Berks County, Pennsylvania, researchers at the U.S. Department of Agriculture’s Animal and Plant Health Inspection Service (USDA-APHIS) and the Pennsylvania Department of Agriculture began a study on whether putting infested woody debris through a wood chipper would destroy spotted lanternfly egg masses. “They don’t fly so well because they are quite heavy,” Roush said. Spotted Lanternflies typically lay eggs on flat tree bark and their favorite type of tree is the tree of heaven, but they can lay eggs on almost anything. The Spotted Lanternfly begins laying eggs in masses of 30 to 50 eggs, covered in a brown, mud-like substance, in late September or early October. The bug’s favorite snack is the Tree of Heaven, once popular in garden landscapes but also an invasive species that has spread about the region. Science-based coverage sent each Monday, Wednesday, and Friday night to your inbox. “This study … has proven quite conclusively that soft-bodied insect life stages do not survive standard high-speed chipping process,” says Ron Mack, commodity treatment specialist at USDA-APHIS and a co-author on the study. Reaction to control the spotted lanternfly has been swift. You know to kill the spotted lanternfly. Capture them in a bottle. The results were clear: In 11 trees’ worth of woody debris infested with spotted lanternfly egg masses, not a single nymph emerged after chipping.


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