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Efeitos colaterais de inseticidas utilizados em campos de tomate sobre Trichogramma pretiosum (Hymenoptera, Trichogrammatidae)

2003; Editora da Universidade Estadual de Maringá (Eduem); Volume: 25; Issue: 2 Linguagem: Inglês

10.4025/actasciagron.v25i2.1771

1807-8621

Geraldo Andrade Carvalho, Paulo Rebelles Reis, Luiz Carlos Dias Rocha, Jair Campos Moraes, Loriney Costa Fuini, Carvalho Carlos Ecole,

Agricultural Practices and Plant Genetics

The side-effects of lufenuron (0.4g a.i./L), triflumuron (0.15g a.i./L), imidacloprid (0.28g a.i./L), cyromazine (0.11g a.i./L), methoxifenozide (0.12g a.i./L), pirimicarb (0.25g a.i./L) and abamectin (0.18g a.i./L) on different developmental stages of the egg parasitoid Trichogramma pretiosum Riley, were investigated. Abamectin was the only insecticide to affect parasitoid emergence and sex ratio, regardless of the developmental stage and parasitoid generation exposed. Abamectin, lufenuron and pirimicarb also decreased the lifetime of F1 females exposed during the egg-larva stage. The capacity of parasitism was significantly reduced by all the products when females were treated in pupal stage.