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Environ Entomol

Title:		Behavioral Response of Unmated Female Plodia interpunctella Hubner (Lepidoptera: Pyralidae) to Synthetic Sex Pheromone Lure
Author(s):		Gerken AR; Dryer D; Abts SR; Campbell JF;
Address:		"USDA, Agricultural Research Service, Center for Grain and Animal Health Research, 1515 College Avenue, Manhattan, KS 66502, USA. Kansas State Veterinary Diagnostic Laboratory, 1800 Denison Avenue, Manhattan, KS 66506, USA"
Journal Title:		Environ Entomol
Year:		2022
Volume:		51
Issue:		6
Page Number:		1200 - 1209
DOI:		10.1093/ee/nvac087
ISSN/ISBN:		1938-2936 (Electronic) 0046-225X (Linking)
Abstract:		"Indian meal moth, Plodia interpunctella Hubner, is an important pest of stored products in food facilities like processing plants, warehouses, and retail stores. Mating disruption, which uses synthetic pheromone to delay or prevent mating, is a relatively new management tactic for this pest but is becoming widely adopted. However, little is known about the mechanisms behind its efficacy, including how artificial pheromone impacts female behavior. Here we assay behavioral responses of two strains of unmated female P. interpunctella exposed to pheromone. Results show one strain increased the duration of calling behavior while the other decreased calling when exposed to pheromone lures. Time walking decreased, and time cleaning increased for both strains when exposed to pheromone. Time of first walking behavior was also delayed for one strain when exposed to pheromone. Females of both strains were less mobile when exposed to pheromone. These results show autodetection of pheromone by females, but also indicate that strains may vary in behavioral responses. Differing patterns of calling behavior between strains could be driven by either strain-specific genetic differences or laboratory induced effects. Decreasing calling behavior and overall movement during exposure to pheromone could enhance the effectiveness of a mating disruption program. However, increased calling by females in the presence of pheromone may be a competitive response and could increase mating success under certain scenarios. These findings suggest that artificial pheromone associated with monitoring and mating disruption programs has impacts on female behavior and warrants further study to determine the overall impacts on program effectiveness"
Keywords:		"Female Animals *Sex Attractants/pharmacology *Moths/physiology Pheromones/pharmacology Sexual Behavior, Animal Reproduction Indian meal moth autodetection behavior mating disruption postharvest product;"
Notes:		"MedlineGerken, Alison R Dryer, Danielle Abts, Shelby R Campbell, James F eng Research Support, Non-U.S. Gov't England 2022/11/06 Environ Entomol. 2022 Dec 16; 51(6):1200-1209. doi: 10.1093/ee/nvac087"