<P> The spotted lanternfly (Lycorma delicatula) is a planthopper that is indigenous to China, India, and Vietnam . Although it has two pairs of wings, it jumps more than it flies . Its host plants are grapes, pines, stone fruits, and Malus species . In its native habitat it is kept in check by natural predators or pathogens . It was accidentally introduced in Korea in 2006 and has since been considered a pest . In September 2014, it was first recorded in the United States, and it is now an invasive species in eastern Pennsylvania and southwestern New Jersey . </P> <P> The spotted lanternfly is originally native to parts of China, India, Vietnam, and eastern Asia . It is a one - inch - long and half - inch wide planthopper belonging to the family of the fulgorid insects . The lantern analogy stems from the inflated front portion of the head, which was thought to be luminous . It was first described by Adam White in 1845 as Aphaena delicatula with habitat outside of Nankin, China . Adult lantern flies have a black head and grayish wings adorned with the name - giving black spots, and their bodies seem to glow red . Their wing tips have a pattern that looks as if they are covered with tiny black bricks with grey mortar in between . In flight, the spotted lantern fly displays red hind wings with black spots on the proximal third, a white wedge in the middle of the wing, and a solid black wing tip . The abdomen is yellowish with black and white bands on the top and bottom . The lanternfly is a strong jumper; it hops from location to location more than it flies . In Chinese medicine, the spotted lanternfly is considered to be poisonous, and is used topically for relief from swelling . It feeds on woody plants and nonwoody plants, piercing the phloem tissue of foliage and young stems with its specialized mouthparts, and sucking the sap . The sugary fluid leaks and coats leaves and stems, and this can encourage mold growth . It does not eat the fruit or the leaves per se . The lantern fly has a wide host range . Innumerable host plants are known, including grapes, pines, the Rosaceae with stone fruits, and apple species . </P> <P> Beginning in late April to early May, nymphs hatch from their egg cases . A nymph passes through several immature stages . In the first stage it is wingless and looks black with white spots . It then grows red patches in addition to the white spots . Next, it has red wing pads and a red upper body, before assuming the adult look of black head and grayish wings with black spots . Nymphs cannot fly, so they hop or crawl to search for plants to feed on . Young nymphs appear to have a wider host range early on, which narrows as they grow older . As early as July, adults can be seen . In the fall, adults mate and lay eggs from late September through the onset of winter . In their native Indomalayan habitat they will lay their eggs preferably on the Tree of Heaven (Ailanthus altissima), which is an introduced invasive tree with toxic metabolites . This host choice is thought to have evolved as mechanism of protection from natural enemies . The lanternfly will lay eggs upon any smooth trunked tree, stone or vertical smooth surface, including man made items like vehicles, campers, yard furniture, farm equipment or other items stored outside . The egg masses contain 30--50 eggs, covered in a yellowish brown waxy deposit, the egg case . The lanternfly's life expectancy, is one year. . </P> <P> The minimum temperature that will kill eggs was estimated by South Korean researchers to be between − 3.4 and − 12.7 ° C (25.9 and 9.1 ° F) on the basis of mean daily temperatures during their winter of 2009 / 2010 . This estimate contrasts with eggs having survived the much colder winter 2013 / 14 temperatures in Pennsylvania, United States . </P>

What happens to lantern flies in the winter
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