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ViewAttendees 2

Student 10-Minute Paper

Medical, Urban, and Veterinary Entomology

Student Competition

Student

Grad Competition MUVE: Vector Biology and Management

(1st Place) Effects of a juvenile hormone analogue on the cuticular hydrocarbon profile of the Argentine ant, Linepithema humile (Mayr) (Hymenoptera: Formicidae)

Monday, November 6, 2023
10:54 AM – 11:06 AM ET
Location: Gaylord National Resort & Convention Center, Potomac 1-2
In-Person Student Competition

    Presenting Author(s)

  • TM

    Tobias L. Moyneur

    Graduate Student
    University of California
    Calimesa, California

    • Co-Author(s)

  • Dong-Hwan Choe

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

Juvenile hormone analogues (JHAs), such as (S)-methoprene, are endocrine disrupting insecticides that mimic endogenous juvenile hormone (JH). Similar to JH, JHAs induce pleiotropic effects that encompass various regulatory functions in insects.

Although JHAs influence on the cuticular hydrocarbons (CHC) profile has been postulated in other insects, no research has explored JHA’s effects on the Argentine ant CHC profile.

Our study aimed to investigate the effects of (S)-methoprene on the composition of CHCs in the invasive Argentine ant, Linepithema humile.

Compared to untreated control, adult ants from the treatment colony exposed to (S)-methoprene exhibited a 31% reduction in the quantity of n-alkanes (C25-30), with the most significant impact observed on shorter chain-length hydrocarbons like pentacosane (C25), which experienced a 46% reduction in quantity.

Implications and future directions will be discussed.