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1 August 2015 Baseline Susceptibility and Cross-Resistance in Adult and Larval Alphitobius diaperinus (Coleoptera: Tenebrionidae) Collected from Poultry Farms in Arkansas
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Abstract

Insecticide resistance in the lesser mealworm, Alphitobius diaperinus (Panzer) (Coleoptera: Tenebrionidae), can pose a serious threat to their successful management in broiler chicken farms in Arkansas. Resistance and cross-resistance were determined in lesser mealworm populations collected from two broiler farms in Arkansas, with different insecticide application histories. Farm M was treated with insecticides over the past 10 yr, whereas Farm S had no insecticidal usage history. Concentration—mortality bioassays using selected insecticides were conducted on adults and seventh-instar larval beetles. A probit analysis suggested the M population to be resistant to cyfluthrin and tetrachlorvinphos, while the S population was susceptible to both compounds. The M population showed no crossresistance to imidacloprid, spinosad, or chlorfenapyr. TheMand S populations were similar in their susceptibility to imidacloprid, spinosad, and chlorfenapyr. The suitability of imidacloprid and spinosad, and further testing of chlorfenapyr as a potential candidate for lesser mealworm control is discussed.

© The Authors 2015. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For Permissions, please email: journals.permissions@oup.com
Narinderpal Singh and Donn Johnson "Baseline Susceptibility and Cross-Resistance in Adult and Larval Alphitobius diaperinus (Coleoptera: Tenebrionidae) Collected from Poultry Farms in Arkansas," Journal of Economic Entomology 108(4), 1994-1999, (1 August 2015). https://doi.org/10.1093/jee/tov133
Received: 12 December 2014; Accepted: 7 May 2015; Published: 1 August 2015
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