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Member Symposium

Plant-Insect Ecosystems

Honoring the Legacy of James H Tumlinson: Chemical Ecology Studies from Penn State Graduate Alumni

Tuesday, November 11, 2025
9:00 AM - 12:00 PM Pacific
Location: Oregon Convention Center, D136, OCC

Oral Presentation

    Organizer(s)

  • RK

    Rupesh Kariyat

    Clyde H Sites Endowed Professor
    University of Arkansas
    Fayetteville, Arkansas

  • JG

    Justin George

    United States Department of Agriculture
    Stoneville, Mississippi

1. Learn about recent advances in chemical ecology and species interactions
2. Honor James Tumlinson's legacy
3. Recollect and reminisce a science story about Dr. Tumlinson

Presentations:

  • 9:00 AM - 9:05 AM Pacific
    Introductory remarks

    Presenting Author: Rupesh Kariyat – University of Arkansas

  • 9:05 AM - 9:20 AM Pacific
    Community collapse in the cowpat: Nontarget effects of hormone-based insecticides for cattle pests

    Presenting Author: Jason Smith – York College of Pennsylvania

    Co-Author: Kayla Simpson – Dickinson College

    Co-Author: Ilana Zeitzer – Dickinson College

    Co-Author: Amy Sparer – York College of Pennsylvania

  • 9:35 AM - 9:50 AM Pacific
    Phenology, volatiles and associated arthropod communities: Insights from row crops

    Presenting Author: Rupesh Kariyat – University of Arkansas

  • 10:20 AM - 10:30 AM Pacific
    Break
  • 10:30 AM - 10:45 AM Pacific
    Exposure to (Z)-3-hexenol primes tobacco plants for faster and stronger defense without negatively affecting their ability to grow and reproduce

    Presenting Author: Bipana Timilsena – Pennsylvania State University

    Co-Author: Sara Hind – University of Illinois

    Co-Author: James H. Tumlinson – Pennsylvania State University

  • 10:45 AM - 11:00 AM Pacific
    The mechanism of BPH17-mediated resistance to brown planthopper in rice

    Presenting Author: Wen-Po Chuang – National Taiwan University

  • 11:00 AM - 11:15 AM Pacific
    The multidimensional plant responses to caterpillar frass

    Presenting Author: Swayamjit Ray (he/him/his) – University of Arkansas

    Co-Author: Flor Acevedo – The Pennsylvania State University

    Co-Author: Jared Ali – Pennsylvania State University

    Co-Author: Gary Felton – Pennsylvania State University

    Co-Author: Dawn Luth – The Pennsylvania State University

  • 11:15 AM - 11:20 AM Pacific
    Closing remarks

    Presenting Author: Rupesh Kariyat – University of Arkansas