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A novel control strategy could be in store for spotted wing drosophila, an invasive vinegar fly species from Asia that attacks more than 100 fruit crops, including blueberry, cherry, blackberry, and grape. Two- to three-millimeters long, the spotted wing drosophila fly first drew attention in 2008 in California. Before long, it had spread to other western states, inflicting losses of 50 to 100 percent in berry crops there. Two years later, it had spread to the eastern United States, wreaking similar havoc and forcing growers to retaliate with intensive insecticide spraying. Researchers, meanwhile, began learning all they could about the invader. One such scientist is Blair Sampson, an Agricultural Research Service (ARS) entomologist who specializes in integrated pest management approaches for small-fruit crops. Sampson is with the ARS Thad Cochran Southern Horticultural Laboratory in Poplarville, Mississippi.

U.S. Sens. Mark R. Warner and Tim Kaine (both D-VA) announced $1,549,891 in federal funding for the University of Virginia (UVA) and Virginia Tech to improve resources for the U.S. agricultural industry and rural communities. This funding was awarded through the U.S. Department of Agriculture (USDA)'s Food and Agriculture Cyberinformatics and Tools (FACT) Initiative, which focuses on data-driven solutions to address problems facing the agricultural industry. Funding includes $499,952 for the University of Virginia to better understand America's agricultural commodity flows and their role in the spread of invasive species, which is important for food security and economic stability. This project will help provide policy makers with guidance to better address vulnerabilities in food systems.

This three-part webinar series will highlight project-based applications of remote sensing for plant species of interest especially those affecting grasslands and aquatic inland lakes and waterbodies, and more with a lens towards innovative uses of hyperspectral data for additional invasive species detection.

Register to attend: Aug 14, Aug 21, Aug 28, 2024 -- Three 90 min sessions (12-1:30 pm EDT)

See also: Noxious Weeds Program Risk Assessments for more species

See also: Noxious Weeds Program Risk Assessments for more species

Agricultural Research Service (ARS) and the Weed Science Society of America (WSSA) are co-hosting 10 webinars on weed science and research, with a focus on impacts from weeds and invasive plants.

Beginning April 5, weekly presentations will be given by ARS weed science research experts. The webinars will occur every Tuesday from 2-3p.m. Eastern Time (ET) and include an interactive Q&A session. The webinar series is open to the public. Webinars are recorded and available to view on demand.
See also: USDA-Agricultural Research Service and Weed Science Society of America Collaborate to Present Weed Science Webinar Series (Mar 28, 2022)

Includes final annual and cumulative maps and data from 1999 to 2024.

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A chance discovery in an Ohio woodland has turned into a multi-disciplinary, multi-agency, and multi-national effort to piece together a puzzle and understand a scourge that is killing trees by the thousands in northern states east of the Great Plains. The leaves of young beech trees are failing somehow. Scientists have figured out what causes the malady; it’s the 'how' that has them scratching their heads. Beech trees are one of the most common trees in America's northern and northeastern forests. Their nut crop feeds birds and other animals, and its wood is prized for bentwood furniture. The symptoms of beech leaf disease were plain to see – sunken dark spots on the leaves, which eventually died – but opinions differed on the cause. Was it bacterial, fungal, or viral? Then, a plant pathologist working for the State of Ohio noticed wiggly things in the leaf lesions. They turned out to be nematodes, microscopic worms that live in the soil, that had somehow managed to make it to the tree canopy 40-50 feet above ground. Nematode samples were sent to Beltsville, MD, for analysis and identification at the Agricultural Research Service (ARS) Mycology and Nematology Genetic Diversity and Biology Laboratory in Beltsville, MD. The nematode, Litylenchus crenatae, turned out to be native to Japan – the first population of L. crenatae found in the Western Hemisphere. The curious thing is that it's not a tree-killer in Japan.

WHISPers, a Wildlife Health Information Sharing Partnership event reporting system with current and historic information on wildlife morbidity or mortality events in North America. Events typically involve five or more sick or dead wild animals observed in the same general location and time period. This information is collected opportunistically and provided here by multiple State, Federal, and other agencies to enhance collective understanding of disease in wildlife populations.