01606naa a2200193 a 450000100080000000500110000800800410001902200140006010000210007424501270009526000090022252010330023165000220126465000230128665300130130965300110132270000180133377300610135121268082020-11-18 2020 bl uuuu u00u1 u #d a1808-16571 aARAUJO, C. R. de aBiological parameters of Spodoptera cosmioides Walker (LepidopterabNoctuidae) in cotton varieties.h[electronic resource] c2020 apodoptera cosmioides Walker is a polyphagous insecticide-resistant species found in various regions of Brazil. Despite occurring at low densities, it is considered a potential pest of cotton, soybean, and bean crops in the Brazilian cerrado. This work investigated the comparative biology of S. cosmioides in the commercial transgenic cotton NuOPAL (Bollgard I, Evento 531) and the conventional isoline variety DeltaOPAL. The experiment was conducted under laboratory conditions (26 ± 1°C; relative humidity: 70 ± 10%; photoperiod: 12h), using newly-hatched and individualized larvae. We evaluated the duration and viability of immature stages, duration of the biological cycle, pupal weight, sex ratio, percentage of deformed adults and of adults trapped in the pupal case, adult longevity, fecundity, and egg viability. The biological parameters observed showed no significant differences between the two varieties studied, which enabled high consumption, high assimilation, high fecundity, and viability for S. cosmioides. aTransgenic plants aGossypium Hirsutum aBollgard aCryIAc1 aBUSOLI, A. C. tArquivos do Instituto Biológicogv. 87, e0352019, 2020.