Citrus pest 1
GAINESVILLE, Fla. — University of Florida lepidopterist Delano Lewis displays a Giant Swallowtail, right, and the closely related Lime Swallowtail, a well-known citrus pest in its larval form. Scientists used the Giant Swallowtail in experiments to show methionine, when sprayed on leaves, is 100 percent effective in killing larvae within two to three days. The research appears in the Journal of Economic Entomology.
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