The fall armyworm, Spodoptera frugiperda (J. E. Smith 1797) (Lepidoptera: Noctuidae), is the most important corn pest in South America. Larvae feed mostly on leaves, but also ears when population densities are high. [2] This pest has been historically controlled with insecticide applications, but many cases of resistance have limited their efficacy. Transgenic corn varieties expressing Bacillus thuringiensis proteins (Bt corn) have been a widely adopted alternative to insecticides and, in the past 8 yr, have been the primary technology for fall armyworm control in Brazil.
Original Source [3]
Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/adaptive-potential-fall-armyworm-lepidoptera-noctuidae-limits-bt-trait-durability
[2] http://www.indiaenvironmentportal.org.in/files/file/Fall-Armyworm-BT-Trait.pdf
[3] https://academic.oup.com/jipm/article/8/1/17/3934576
[4] http://admin.indiaenvironmentportal.org.in/category/author/julio-c-fatoretto
[5] http://admin.indiaenvironmentportal.org.in/category/author/andrew-p-michel
[6] http://admin.indiaenvironmentportal.org.in/category/author/marcio-c-silva-filho-et-al
[7] http://admin.indiaenvironmentportal.org.in/category/journal/journal-integrated-pest-management
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/crop-pests
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/brazil
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/gm-crops
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/south-america
[12] http://admin.indiaenvironmentportal.org.in/category/thesaurus/agriculture