Once the insects hatch, from April to June, the best options are squishing them or using chemical sprays. How Can I Control SLF Populations?įrom November through March, check trees scrape and destroy egg masses. However, in the US there is a lack of natural predators, as well as an abundance of preferred host plants, allowing their populations to reach unprecedented levels. Within their native areas, predators keep these pests under control. Since then, the insect has spread from Pennsylvania to New Jersey and far beyond, and is still on the move. The spotted lanternfly is native to China, India and Vietnam and was introduced to the Eastern United States in September 2014. Use our management decision guide to determine which actions are best to take. Manage SLF on your property by promoting plant health, scraping eggs, using traps, and using chemical control when appropriate.Slow the spread of SLF by checking your car and any outdoor equipment (outdoor furniture, mowers, firewood, etc.) when going in and out of the quarantine zone.Death has only been noted in tree saplings, tree-of-heaven, and grapevines. ![]() Some plants are at more risk than others (e.g., grapevines, maple, black walnut).
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