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Student 10-Minute Paper

Physiology, Biochemistry, and Toxicology

Student Competition

Student

Grad Competition PBT: Biocontrol and IPM

Phagostimulant activity of amino acids improve next-generation attract-and-kill technologies

Monday, November 6, 2023

12:18 PM - 12:30 PM ET

Location: Gaylord National Resort & Convention Center, National Harbor 12

Presenting Author(s)

Xixian Ng

Graduate Student
University of Nebraska
Lincoln, Nebraska

Co-Author(s)

EJ

Ellis Johnson

Graduate Research Assistant
University of Nebraska
Lincoln, Nebraska
LR

Leslie Rault

University of Nebraska
Lincoln, Nebraska
TA

Troy Anderson

Associate Professor
University of Nebraska
Lincoln, Nebraska

The incidence of mosquito-borne diseases is a significant threat to human health with effective chemical interventions limited by widespread insecticide resistance. There is evidence for attract-and-kill technologies as promising interventions to reduce mosquito populations and interrupt community transmission of diseases. The longevity of mosquitoes to rest and feed on attract-and-kill chemical compositions is a challenge that compromises the efficacy of these interventions to reduce mosquito populations. This study examined phagostimulants to enhance the resting and feeding activity of mosquitoes and, in turn, increase toxicant ingestion leading to higher mortality of mosquitoes. Here, we present the spatial attraction, locomotor activity, olfactory response, feeding rate, and survivorship of Aedes aegypti presented with amino acid additives to chemical compositions for use in next-generation

attract-and-kill technologies.