![]() This is something your local arborist can assist you with. It is also helpful to report any sightings to your state’s Department of Agriculture. If egg masses are found, they should be scraped off, smashed, and double bagged before being thrown away. This pest lays eggs on multiple surfaces and can be easily transported to new breeding grounds, so as soon as damage is visible, locating new eggs before they hatch is crucial. Proper identification is important to managing spotted lanternfly. Female spotted lanternflies lay their eggs on various vertical surfaces such as: Honeydew can attract wasp and bee populations but can also be a growth medium for fungi such as sooty mold, which can stunt the growth of the tree and cause further damage. Spotted lanternflies secrete a sugary, sticky substance called honeydew. In severe cases, the entire tree’s foliage may be wilting, and the trunk could have open, oozing wounds. ![]() The most noticeable symptom of spotted lanternfly is wilted trees. ![]() They are also known to favor valuable crop plants such as grapes, hops, and orchard fruits. Spotted lanternflies attack various landscape trees including: They have black legs and heads and yellow and black abdomens. Hindwings are a vivid rose-red color with black tips and a white band running down the center. Adults are about 1” long with gray forewings that have black spots. Hatched nymphs are black with white dots. This insect’s eggs are laid in masses about 1” long and may look like patches of crusted mud. Due to the insect’s excellent hitchhiking ability, there are now 14 states that have confirmed populations.įor homeowner and business resources, and other information about spotted lanternfly go to spotted lanternfly is an invasive insect species native to Asia. The species has been advancing ever since. in Berks County, Pennsylvania, on a shipment in 2014. The Spotted Lanternfly is native to Asia, but arrived in the U.S. While the Spotted Lanternfly is not a threat to humans or animals, it is known to feed on numerous types of vegetation. 1, 2021, NJDA and USDA staff have scraped nearly 340,000 egg masses and treated almost 20,000 acres. Scraping cards are available at the Rutgers Extension office in each county. The popping sound signifies the eggs are being destroyed. It is important to press against the egg mass and hear the eggs popping as they are being scraped. The egg masses may be scraped with a credit card (or something similar). The egg masses can be found on almost any kind of surface, including on vehicles, park benches, steps or outdoor stairways, or on the sides of buildings. The spotted lanternfly prefers the Tree of Heaven, which is common in New Jersey. One sign to look to see where spotted lanternflies has been is a black sooty mold on a tree. Spotted lanternfly egg masses hold between 30-50 eggs of the invasive species. “The more of these egg masses that can be destroyed now and before spring, the less of these nuisance pests there will be next year,” Fisher said. While the adult spotted lanternflies cannot survive the freezing temperatures, they do lay egg masses that survive the winter and then hatch in late April or early May. New Jersey Secretary of Agriculture Douglas Fisher encourages New Jersey residents to help take part in eliminating spotted lanternfly egg masses.
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