Susceptibility of Alphitobius diaperinus (Panzer) (Coleoptera, Tenebrionidae) to cypermethrin, dichlorvos and triflumuron in southern Brazil

Revista Brasileira de Entomologia

Andreia Mauruto Chernaki-leffer²  Daniel Ricardo Sosa-gómez¹  Lúcia M. Almeida²  Ivani De Oliveira Negrão Lopes¹ 

[1] ,Universidade Federal do Paraná Department of Zoology Curitiba PR ,Brazil

关键词: Insect growth regulator;    lesser mealworm;    poultry house;    pyrethroid;    organophosphates;    Aviário;    cascudinho;    inseticidas reguladores do crescimento;    organofosforados;    piretróides;   

DOI  :  10.1590/S0085-56262011000100020

来源: SciELO

【 摘 要 】

Susceptibility of Alphitobius diaperinus (Panzer) (Coleoptera, Tenebrionidae) to cypermethrin, dichlorvos and triflumuron in southern Brazil. The lesser mealworm, Alphitobius diaperinus (Panzer), is an important insect pest in poultry houses in Brazil. Susceptibility of the lesser mealworm collected from eight poultry houses in Paraná state, southern Brazil, was evaluated for cypermethrin, dichlorvos and triflumuron. Adult A. diaperinus were tested in bioassays with cypermethrin and dichlorvos. Larvae were fed rabbit feed wetted with a triflumuron-water solution. Concentration-mortality regressions were estimated using Probit analysis and resistance ratios were calculated based on the susceptible population. Among the field populations evaluated, cypermethrin LC50 values for adults, ranged from 68.1 to 6,263 ng (AI)/cm². LC50 values for adults challenged with dichlorvos ranged from 10.3 to 1,385 ng (AI)/cm². One population from Pato Branco showed reduced susceptibility to triflumuron (LC50 = 272 µg (AI)/ml of solution) when compared to the most susceptible population (LC50 = 109.8 µg (AI)/ml). Application of cypermethrin and dichlorvos analogues should be managed with caution to minimize insecticide resistance problems.

【 授权许可】

CC BY-NC-ND   
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