![]() For more information and for a list of regulated articles, see AGM's website (leaves DEC website). Inspections are being conducted across New York by AGM and its partners to check for SLF and compliance with the regulations. The quarantine requires regulated articles, such as packing materials, landscaping and construction equipment, and nursery stock to have certificates of inspection issued from the impacted states. To slow the spread of SLF, AGM issued a quarantine that restricts the movement of goods brought into New York from quarantined areas in Delaware, New Jersey, Pennsylvania, Maryland, and Virginia. DEC and partner organizations encourage everyone to be on the lookout for this pest. Extensive trapping surveys are being conducted in high-risk areas throughout the state as well as inspections of nursery stock, stone shipments, commercial transports, etc. Since it is less expensive and easier to deal with a pest before it becomes widespread, the goal is to find and treat SLF infestations early.Ī plan has been developed that describes how the agencies will detect and prevent further spread of SLF in New York. ![]() Massive honeydew build-up under plants, sometimes with black sooty mold.ĭEC is working with the Department of Agriculture and Markets (AGM) and the US Department of Agriculture (USDA) to address SLF.One-inch-long egg masses that are brownish-gray, waxy and mud-like when new.Sap oozing or weeping from tiny open wounds on tree trunks, which appears wet and may give off fermented odors. Photo: Pennsylvania Department of Agriculture, which are inadvertently transported to new areas, causing the insect to spread. They lay their eggs on vehicles, firewood, outdoor furniture, stone, etc. SLF can jump and fly short distances, they spread primarily through human activity. In Pennsylvania, where SLF populations are the densest, people can't be outside without getting honeydew on their hair, clothes, and other belongings. The sticky mess and the swarms of insects it attracts can significantly hinder outdoor activities. The full extent of economic damage this insect could cause is unknown at this time.Īlthough native insects also secrete honeydew, the size of SLF and the large populations that congregate in an area result in large accumulations of it. New York's annual yield of apples and grapes has a combined value of $358.4 million, which could be greatly impacted by SLF. ![]() SLF also excrete large amounts of sticky "honeydew," which attracts sooty molds that interfere with plant photosynthesis, negatively affecting the growth and fruit yield of plants. This feeding by sometimes thousands of SLF stresses plants, making them vulnerable to disease and attacks from other insects. Adults and nymphs use their sucking mouthparts to feed on the sap of more than 70 plant species. SLF pose a significant threat to New York's agricultural and forest health. They are smooth and brownish-gray with a shiny, waxy coating when first laid. In the fall, adults lay 1-inch-long egg masses on nearly anything from tree trunks and rocks to vehicles and firewood. The lower portions of their hindwings are red with black spots and the upper portions are dark with a white stripe. Their forewings are grayish with black spots. Red nymphs can be seen from July until September.Īdults begin to appear in July and are approximately 1 inch long and ½ inch wide at rest, with eye-catching wings. The black nymphs can be seen as early as April and until July. ![]() Nymphs are black with white spots and turn red before transitioning into adults. Including SLF fact sheet, SLF look-alikes poster, and important links.Visit Cornell's Integrated Pest Management site for an up-to-date map of current infestation locations in the Northeast, including New York (leaves DEC website). The first New York State infestation was discovered in Staten Island in August 2020 (leaves DEC website). In the US, SLF was first discovered in Pennsylvania in 2014 and has since been found in New Jersey, Delaware, Maryland, Virginia, and New York. This insect could impact New York's forests as well as the agricultural and tourism industries. 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. Spotted lanternfly, Photo: Lawrence Barringer, ![]()
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