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Persistence of Vectobac WDG and Metoprag S-2G against Aedes aegypti larvae usin...
Lima, José Bento Pereira; Melo, Nilson Vieira de; Valle, DenisePersistence of Bacillus thuringiensis var. israelensis (Vectobac WDG) and methoprene (Metoprag S-2G) was evaluated against Aedes aegypti late third instar larvae of the Rockefeller strain in a semi-field bioassay. Tests were performed in Rio de Janeiro, using containers made of plastic, iron, concrete and asbestos, placed in a shaded area. The formulations used were 0.2 g of Vectobac-WDG and 1g of Metoprag S-2G...
Residual effect of two Bacillus thuringiensis var. israelensis products assayed...
Lima, José Bento Pereira; Melo, Nilson Vieira de; Valle, DeniseResistance of the dengue vector to temephos stimulated its substitution for Bacillus thuringiensis var. israelensis (Bti) since 2001 in Brazil. The persistence of the two Bti formulations employed at that time by the Health Ministry, Vectobac G and Aquabac G, was assayed under laboratory and outdoor conditions. Both formulations were tested at 0.2 g/10 liters of water, the same concentration applied in the fiel...