(PhysOrg.com) -- Pyrethroids, among the most widely-used home pesticides, are winding up in California rivers at levels toxic to some stream-dwellers, possibly endangering the food supply of fish and other aquatic animals, ...
Environment
Feb 2, 2010
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(PhysOrg.com) -- Creepy, crawly spiders and bugs are just some of the unusual creatures in the Agricultural Research Service (ARS) invertebrate collections. While many find insects a nuisance, ARS scientists rely on these ...
Other
Jan 18, 2010
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Parasitic wasps kill pest insects, but their existence is largely unknown to the public. Now, scientists led by John H. Werren, professor of biology at the University of Rochester, and Stephen Richards at the Genome Sequencing ...
Plants & Animals
Jan 14, 2010
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(PhysOrg.com) -- Transgenic screwworms developed by Agricultural Research Service (ARS) scientists could set the stage for new, improved methods of eradicating the pest based on the sterile insect technique (SIT).
Biotechnology
Dec 30, 2009
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New varieties of plants marketed as "disease-resistant" or "insect-resistant" are becoming more accessible to consumers. Available through local garden centers and catalogues, these attractive ornamentals often come with ...
Ecology
Dec 11, 2009
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(PhysOrg.com) -- Long-term, open-top chamber studies of how rising carbon dioxide (CO2) could affect crops, forests, and pastures reveal a wide range of impacts, according to Agricultural Research Service (ARS) scientists.
Ecology
Dec 9, 2009
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(PhysOrg.com) -- Ground-breaking discoveries by Michigan State University researchers could help protect honeybees from deadly parasites that have devastated commercial colonies.
Biochemistry
Dec 8, 2009
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(PhysOrg.com) -- Cotton growers will be better able to keep an eye out for two common pests because of a comprehensive survey by Agricultural Research Service (ARS) scientists at College Station, Texas.
Ecology
Dec 1, 2009
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(PhysOrg.com) -- For the first time, scientists at The University of Western Ontario have shown that insects exposed to repeated periods of cold will trade reproduction for immediate survival.
Plants & Animals
Nov 25, 2009
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Since 1996, crop plants genetically modified to produce bacterial proteins that are toxic to certain insects, yet safe for people, have been planted on more than 200 million hectares worldwide. The popularity of these Bt ...
Ecology
Nov 23, 2009
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