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The objective of this work was to analyze the genetic variability of Spodoptera frugiperda (Lepidoptera: Noctuidae) populations collected from corn and cotton crops in Brazil. The samples were analyzed by DNA markers. The dendrogram produced by the 20 RAPD primers evaluated showed a correlation between genetic profile and feeding behavior. The analysis of the mitochondrial ND1  gene allowed identifying the insect populations in both crops, and, in corn, in several geographical regions. The presented strategy allows the identification of Spodoptera frugiperda populations associated with corn and cotton crops.

Mitochondrial markers to distinguish Spodoptera frugiperda populations associated with corn and cotton crops