Citrus pest 2

Published: March 9th, 2012

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Citrus pest 2

GAINESVILLE, Fla. — University of Florida researchers used the caterpillar of the Giant Swallowtail butterfly, shown here on a lime plant, in experiments to show the essential amino acid methionine, when sprayed on leaves, is 100 percent effective in killing larvae within two to three days. Scientists used the Giant Swallowtail as a surrogate for the Lime Swallowtail, an invasive species from southern Asia discovered in the Caribbean in 2006. Researchers say the Lime Swallowtail’s potential impact on the U.S. citrus industry is cause for serious concern. The study appears in the current issue of the Journal of Economic Entomology.

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