Barreto, M.R. Loguercio, L.L. Valicente, F.H. Paiva, E. Insecticidal activity of culture supernatants from Bacillus thuringiensis Berliner strains against Spodoptera frugiperda Smith (Lepidoptera: Noctuidae)Larvae Subjects--Topical Terms: PRAGA DE PLANTALAGARTAMILHOCONTROLE BIOLÓGICO