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1 April 2010 Puerto Rico Fall Armyworm Has Only Limited Interactions with Those from Brazil or Texas but Could Have Substantial Exchanges with Florida Populations
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Abstract

Fall armyworm, Spodoptera frugiperda (J.E. Smith) (Lepidoptera: Noctuidae), is an important agricultural pest that is endemic to Puerto Rico and the rest of the Caribbean islands. Relatively little is known about the population movements of fall armyworm in the Caribbean and the magnitude of genetic interactions, if any, with populations from North, South, and Central America. To address this issue, a novel method involving mitochondrial haplotype ratios currently being used to study the migration of fall armyworm in North America was applied to populations in Puerto Rico. The results indicate limited interactions between Puerto Rico fall armyworm and those from Brazil or Texas but the potential for significant exchanges with populations in Florida.

Rodney N. Nagoshi, Robert L. Meagher, and David A. Jenkins "Puerto Rico Fall Armyworm Has Only Limited Interactions with Those from Brazil or Texas but Could Have Substantial Exchanges with Florida Populations," Journal of Economic Entomology 103(2), 360-367, (1 April 2010). https://doi.org/10.1603/EC09253
Received: 3 August 2009; Accepted: 1 December 2009; Published: 1 April 2010
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