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News about spread of plants, insects, bacteria and other harmful organisms moving with trade and traffic.
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ScienceNewsline; Biology: According to a new study published in the Journal of Economic Entomology (Vol. 104, No. 6, Dec. 2011) by University of Florida researchers (Lewis et al.), a key amino acid essential for human nutrition is also an effective insecticide against caterpillars that threaten the citrus industry. Namely, Southeast Asian citrus-feeding larvae of Princeps (Papilio) demoleus (L.) were recently introduced into the Americas, causing an imminent threat to citrus production and ornamental flora. In the research the human nutrient amino acid methionine, sprayed on plants, showed toxic effects for larvae, therefore may be a candidate environmentally safe biorational pesticide for use against invasive P. demoleus in the Americas. Delete the scoop?
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In second year of research of biology and management of Spotted Wing Drosophila on small and stone fruits some biological data and control methods have been already known. Spotted wing Drosophila (Drosophila suzukii) is an invasive pest that attacks multiple fresh fruits. It is fast becoming a problem in the Pacific Northwest as well as in Europe. Entomologists at University of California – Davis, Washington State University and Oregon State University have provided first results of their research work.