期刊
ANNALS OF THE ENTOMOLOGICAL SOCIETY OF AMERICA
卷 107, 期 3, 页码 601-606出版社
OXFORD UNIV PRESS INC
DOI: 10.1603/AN13100
关键词
armyworm; biological control; plant resistance; predator; tritrophic interaction
类别
资金
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico (CNPq)
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)
- Fundacao de Amparo a Pesquisa do Estado de Minas Gerais (FAPEMIG)
The association of insect-resistant plants with biological control is important in integrated management to reduce the density of pests below the economic injury level. The behavior, development, and predation of Podisus nigrispinus (Dallas, 1851) (Heteroptera: Pentatomidae) were studied with the prey Spodoptera frugiperda (J. E. Smith, 1797) fed on the leaves of the cotton cultivars 'NuOpal' (transgenic), 'DeltaOpal', 'OFMX910', 'OFMX993', or 'FMX996' (conventional). The attraction of P. nigrispinus to S. frugiperda larvae fed on different cotton cultivars was similar. The predation of nymphs and adults, and the life cycle of the P. nigrispinus predator were higher for S. frugiperda larvae fed on the NuOpal; however, the total viability of P. nigrispinus was lower when predating on S. frugiperda fed the NuOpal. S. frugiperda acquires toxins from transgenic cotton, which can affect its natural predator P. nigrispinus.
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