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	Provedor de dados Neotropical Entomology (2) Autor Faroni,Lêda R.D'A. (1) GALLEY,DAVID J. (1) Gonçalves,José R. (1) Guedes,Raul N.C. (1) LORINI,IRINEU (1) Oliveira,Carlos R.F. de (1) Mais... Palavra-chave Stored grain pest (2) Biological control (1) Chlorpyrifos-methyl (1) Insecta (1) Mite (1) Organophosphate (1) Permethrin (1) Pirimiphos-methyl (1) Pyrethroid (1) Mais... Tipo do documento Info:eu-repo/semantics/article (2) Ano 2004 (1) 2001 (1) País Brazil (2) Idioma Inglês (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Insecticide selectivity to the parasitic mite Acarophenax lacunatus (Cross & Krantz) (Prostigmata: Acarophenacidae) on Rhyzopertha dominica (Fabr.) (Coleoptera: Bostrichidae) Neotropical Entomology Gonçalves,José R.; Faroni,Lêda R.D'A.; Guedes,Raul N.C.; Oliveira,Carlos R.F. de. The presence of natural enemies in stored grains and the need of pest control alternatives led to the assessment of the effect of insecticides on the mite species Acarophenax lacunatus (Cross & Krantz), an egg parasite of the stored grain pest Rhyzopertha dominica (Fabr.). The insecticides bifenthrin, deltamethrin, pirimiphos-methyl and fenitrothion were tested at 0.4, 0.5, 0.8 and 10 ppm, respectively. Insecticide treated wheat grains were spread in petri dishes and infested with 25 adults of R. dominica. Seven days later, three mites were added to each dish, in four replicates. The number of adults of R. dominica, grain weight loss and instantaneous rate of increase (r i) of A. lacunatus were lower when the grain was treated with deltamethrin.... Tipo: Info:eu-repo/semantics/article Palavras-chave: Stored grain pest; Mite; Pyrethroid; Organophosphate; Biological control. Ano: 2004 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2004000200016 The cross-resistance spectrum in deltamethrin resistance strains of Rhyzopertha dominica (F.) (Coleoptera: Bostrychidae) Neotropical Entomology LORINI,IRINEU; GALLEY,DAVID J.. In order to verify if there was cross-resistance in deltamethrin resistance strains of Rhyzopertha dominica (F.), experiments were carried out with three insecticides used in stored grain to control pests: permethrin (pyrethroid), pirimiphos-methyl and chlorpyrifos-methyl (organophosphates). Three strains from Brazil (BR4, BR6 and BR7) and one from United Kingdom (UK1) were tested. The strains BR4 and UK1 were susceptible and BR6 and BR7 were resistant to deltamethrin. Initially all strains were assessed in their susceptibility to deltamethrin insecticide. Then, after they were submitted to deltamethrin selection pressure throughout three generations, each strain was assessed with all other insecticides to determine the cross-resistance spectrum. Results... Tipo: Info:eu-repo/semantics/article Palavras-chave: Insecta; Stored grain pest; Permethrin; Pirimiphos-methyl; Chlorpyrifos-methyl. Ano: 2001 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2001000200018 Registros recuperados: 2 Primeira ... 1 ... Última

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