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Student 10-Minute Presentation

Medical, Urban, and Veterinary Entomology

Student

Student Competition

Grad 10-min Competition: MUVE, Urban and Structural Pests 2

Behavioral responses of the German cockroach, Blattella germanica (L.) to insecticide treatments

Monday, November 11, 2024
10:30 AM – 10:42 AM MST
Location: Phoenix Convention Center, 221 C, PCC
Oral Presentation Student Competition

    Presenting Author(s)

  • ET

    Emily L. Ta (she/her/hers)

    Graduate Student
    University of California
    Riverside, California

    • Co-Author(s)

  • Dong-Hwan Choe

    Associated CE Specialist / Associate Professor
    University of California
    Riverside, California

  • Michael K. Rust

    Retired Professor of Entomology
    University of California
    Hemet, California

  • Chow-Yang Lee, BCE

    Professor & Endowed Presidential Chair in Urban Entomology
    University of California
    Riverside, California

The German cockroach (Blattella germanica (L.)) is an important indoor public health insect pest. US FDA categorizes cockroaches as Category 1 pests which could transmit diseases and cause asthma and allergic reactions. B. germanica is a highly resilient urban pest due to its ability to develop insecticide resistance. Although insecticide resistance in the German cockroach due to physiological adaptation is relatively well-studied, investigation on behavioral resistance of this species toward insecticides is limited. This could likely be due to the challenges of observing subtle behavioral changes after the insects develop resistance to insecticides. This study was initiated to examine behavioral responses of lab-susceptible and field-collected strains of B. germanica toward different insecticide formulations (baits, dusts, and residual sprays). The implication of this study on German cockroach management will be discussed.