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Video Q&A ViewAttendees 4

Plant-Insect Ecosystems

10-Minute Paper

P-IE: Invasive Species On-Demand Presentations

Comparing the virulence of commercial versus native Beauveria bassiana strains for spotted lanternfly control

On-Demand
On-Demand

    Presenting Author(s)

  • Eric H. Clifton

    Postdoctoral Associate
    Cornell University
    Ithaca, New York

    • Co-Author(s)

  • Ann E. Hajek

    Professor
    Cornell University
    Ithaca, New York

The spotted lanternfly, Lycorma delicatula (White), is an invasive planthopper that was first detected in southeastern Pennsylvania in 2014 and has since expanded its range to eight more states. In fall 2017, spotted lanternfly cadavers with fungal outgrowth were sent to our lab and determined to be killed by naturally-occurring Beauveria – a genus of fungal entomopathogens known to infect sap-sucking insects. In subsequent years we used molecular tools to identify at least 21 different genotypes of B. bassiana that killed L. delicatula in >18 sites in southeastern Pennsylvania. Three genotypes of B. bassiana were prevalent and recovered from L. delicatula populations in most of these field sites in 2018 - 2020. In 2021, we are conducting laboratory-based bioassays on L. delicatula nymphs and adults using these common strains of B. bassiana and comparing their efficacy to a commercialized B. bassiana strain (GHA) that is widely used in biopesticides. This study may help determine whether the indigenous B. bassiana isolates have potential as microbiological agents for managing L. delicatula.