The spotted lanternfly, Lycorma delicatula, is a planthopper native to Asia that was first detected in Pennsylvania in 2014, but is believed to have been in the United States since 2012. The spotted lanternfly feeds on many species of shrubs and trees by piercing the foliage and bark extract sap, resulting in tree stress and further decline. It has been classified as an invasive pest and quarantined in Pennsylvania, and is considered a severe threat to the national grape, fruit tree, and logging industries.
Spotted lanternfly has a wide range of host plants, but it strongly prefers the United States invasive species Ailanthus altissima, commonly known as the tree of heaven. Leaving the spotted lanternfly to feed and reproduce freely off these trees may lead to a population explosion that can cause irreparable harm to trees and residential and commercial landscapes.
The adult is distinctive, about one inch long, with grayish wings, black spots, and a slight red tinge that has been described as a “glow”. When it flies its bright red hind wings are displayed, although it is a strong jumper and moves more often by jumping than flying.
The immature nymph stage is quite pretty: the first three instars are black bugs with white spots, and the 4th instar is red and black with white spots.
Spotted lanternfly populations can be managed or reduced with the help of an arborist! Check out our 2 step approach to spotted lanternfly management:
By pursuing an integrated approach to spotted lanternfly management consisting of mechanical and chemical controls, your plant healthcare specialist can ensure your management strategy is environmentally friendly and yields reliable, long-term results.
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