Photo: Tim Weigle, NYSIPM. Spotted Lanternfly (SLF), Lycorma delicatula, is an invasive planthopper native to China, India, and Vietnam, it is also established in South Korea, Japan and the U.S. Spotted lanternfly, Lycorma delicatula, an invasive planthopper native to China, India and Vietnam, is thought to have arrived as egg masses on a stone shipment in 2012.The first infestation was found in Berks County, Pennsylvania in 2014 in a wooded area of Ailanthus altissima, or Tree of Heaven. Spotted Lanternfly Killers specialize in helping these counties under quarantine. Check out our spotted lanternfly map. Spotted Lanternfly adult. The Spotted Lanternfly (SLF), Lycorma delicatula (White), is an invasive planthopper native to Asia. Spotted lanternfly (SLF) is an invasive pest from Asia that primarily feeds on tree of heaven (Ailanthus altissima) but can also feed on a wide variety of plants such as grapevine, hops, maple, walnut, fruit trees and others.This insect could impact New York's forests as well as the agricultural and tourism industries. Spotted lanternfly (SLF) is an invasive insect that has spread throughout Pennsylvania since its discovery in Berks County in 2014. The spotted lanternfly (Lycorma delicatula) is an insect native to China, India, and Vietnam, and feeds on fruit, ornamental, and woody trees, including tree-of-heaven (Ailanthus altissima). Spotted Lanternfly. . The invasive plant often grows along cleared right of ways of railroad tracks. It is important to look for it and report any finds. The spotted lanternfly (Lycorma delicatula) is a planthopper which is native to China, India, and Vietnam, but has also spread to Korea around 2006.It was detected in Pennsylvania in 2014, and has since been found to have confirmed populations in Delaware, New Jersey and Virginia. It is now moving into nearby states including Maryland, Virginia, Delaware, and New Jersey. It was first discovered in Pennsylvania (PA) in 2014 in Berks County and … Spotted Lanternfly in PA, Spotted Lanternfly in NJ, and so much more. There are several counties that are affected by Spotted Lanternflies. Cornell University maintains the most current map of spotted lanternfly locations and quarantine areas in the US Northeast. SLF feeds on the plant sap of many different plants including grapevines, maples, black walnut, and other important plants in PA. A potentially very serious pest of grapes, peaches, hops, and a variety of other crops, the spotted lanternfly (SLF), Lycorma delicatula, was detected in Frederick County, Virginia, on Jan. 10, 2018.. Despite quarantine efforts, spotted lanternfly became established and continued to spread throughout southeastern Pennsylvania. Get Spotted Lanternfly and More at Philly's Christmas Village Spotted lanternflies helped some Pennsylvania bees get nectar that went into "Doom Bloom" honey from … The spotted lanternfly favors an invasive plant as a its food source, the Ailanthus, which is also native to Asia.