1/21/2024 0 Comments Japanese flying lanternInfested trees and vines grow more slowly, exhibit dieback – begin to die from the branch tips – and can even die. Lanternfly feeding seriously stresses trees and vines, which lose carbohydrates and other nutrients meant for storage in the roots and eventually for new growth. While unsightly, sooty mold isn’t harmful when growing on the bark of the tree or beneath it. A black sooty mold grows wherever the honeydew has been deposited. They remove large amounts of sap and excrete copious amounts of clear, sticky “honeydew” that can coat the tree and anything beneath. For a sucking insect, lanternflies are relatively big. They feed by piercing the bark of trees and vines to tap into the plant’s vascular system to feast on sap. How do they damage trees and plants? What do they feed on? The red, white, and black nymph below will molt into an adult. To give an idea of how fast these lanternflies spread, they were introduced into South Korea in 2004 and spread throughout that entire country – which is approximately the size of Pennsylvania – in only three years.Īn adult spotted lanternfly crawls along a branch in Pennsylvania. It also had been found in western Connecticut, eastern Ohio, and now Indiana. The first sighting was in 2014 in Berks County, Pennsylvania, on a tree of heaven - a common invasive tree brought to North America from China in the late 1700s.īy July 2021 the lanternfly had spread to about half of Pennsylvania, large areas of New Jersey, parts of New York state, Maryland, Delaware and Virginia. It is native to India, China and Vietnam and probably arrived in a cut stone shipment in 2012. How did the spotted lanternfly get to the U.S., and how quickly is it spreading? Professor Frank Hale is an entomologist who is tracking this species. This approximately 1-inch-long species from Asia has attractive polka-dotted front wings but can infest and kill trees and plants. It’s moving into southern New England, Ohio and Indiana. The spotted lanternfly was first detected in Pennsylvania in 2014 and has since spread to 26 counties in that state and at least six other eastern states.
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