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The Spotted Lanternfly (SLF) overwinters in an egg mass that begins shiny gray but quickly turns to a dull brownish gray. The eggs hatch in early May and the nymphs are present until late July when they become adults. Adults start to lay eggs in September. The life stages can overlap and, depending on the time of year, multiple stages can be found at the same time.
Virginia Cooperative Extension materials are available for public use, reprint, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.
Issued in furtherance of Cooperative Extension work, Virginia Polytechnic Institute and State University, Virginia State University, and the U.S. Department of Agriculture cooperating. Edwin J. Jones, Director, Virginia Cooperative Extension, Virginia Tech, Blacksburg; M. Ray McKinnie, Administrator, 1890 Extension Program, Virginia State University, Petersburg.
July 8, 2019