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Student Poster Display

Plant-Insect Ecosystems

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Student Competition

Grad Poster Competition: P-IE, Invasive Species

D3115: The spotted lanternfly’s ability to reproduce is significantly reduced when fed exclusively on grapevines

Monday, November 11, 2024
9:00 AM – 5:00 PM MST
Location: Phoenix Convention Center, Exhibit Hall 6, PCC
Poster Display Student Competition

    Presenting Author(s)

  • Sukhman Singh

    Graduate Research Assistant
    The Pennsylvania State University
    State College, Pennsylvania

    • Co-Author(s)

  • CS

    Cecil Smith

    The Pennsylvania State University
    University Park, Pennsylvania

  • TR

    Taran Rowles

    The Pennsylvania State University
    State College, Pennsylvania

  • MC

    Michela Centinari

    The Pennsylvania State University
    State College, Pennsylvania

  • Flor Edith Acevedo

    Assistant professor
    The Pennsylvania State University
    Erie, Pennsylvania

The invasive spotted lanternfly (Lycorma delicatula; SLF) poses a significant threat to grapevines. This study investigated SLF reproduction, survival, and development across nine different diet treatments, including four grapevine cultivars (cabernet franc, chardonnay, muscadine, concord), tree of heaven (TOH), and combinations of grapevines and TOH. SLF fed exclusively on grapevines had limited reproductive capability, except for the chardonnay treatment where two females laid single egg masses each. SLF adults collected from the wild and transferred to grapevines early in the fall laid more egg masses than those fed only on grapevines throughout their nymph and adult stages. Furthermore, SLF fed on mixed diets (TOH plus grapevines) and single TOH diets had higher survival rates compared to those fed solely on grapevines, especially muscadines. These findings suggest that reducing access to TOH could help grape growers reduce SLF populations and minimize crop damage.