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Spotted Lanternfly: Research Accelerates in Effort to Contain Invasive Pest

Spotted Lanternfly: Research Accelerates in Effort to Contain Invasive Pest
When the invasive spotted lanternfly arrived in the United States in 2014, it was immediately recognized for the threat it posed to native plants and crops. A community of researchers and experts in science, agriculture, and government sprang into action to respond, improving our chances for containing the pest and curbing its potential for damage.
While the effort continues, a new collection curated by the Entomological Society of America's family of journals showcases the growing body of research that is helping us understand the spotted lanternfly's biology and how to contain it. The collection features 25 articles published in ESA journals since 2015, with 16 of them new additions since June 2020.
The spotted lanternfly (Lycorma delicatula) is a treehopper native to Asia but was discovered in Pennsylvania in 2014, and it has since spread to five other northeastern states. Its primary host is tree of heaven (Ailanthus altissima), but it is known to feed on more than 100 types of plants--mostly trees, shrubs, and stout vines. Valuable crops the spotted lanternfly can damage include grapes, apples, and peaches, as well as hardwood trees. One study of the lanternfly's potential range in the U.S., based on environmental and climatic conditions, suggests most of New England and the mid-Atlantic states as well as parts of the central U.S. and Pacific Northwest are vulnerable to establishment of the spotted lanternfly if it finds its way there.
Melody Keena, Ph.D., research entomologist at the U.S. Forest Service, is co-editor-in-chief of the ESA journal Environmental Entomology and compiled the collection on spotted lanternfly. Like many, Keena was struck by the insect's potential when she first learned about it. "I was surprised because it is so much bigger than the treehoppers that are native. I was also surprised by the large numbers congregating on single trees," she says.
Early on, the U.S. Department of Agriculture's Animal Plant Health Inspection Service and the state of Pennsylvania led the charge, says Keena, while more states and groups have joined in as the spotted lanternfly has spread.
"Both federal and university groups--with Pennsylvania State University taking the early lead--have developed a lot of knowledge and tools rapidly for dealing with this pest, as this collection demonstrates," Keena says.
Engaging the public has been critical as well.
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