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Spotted-wing drosophila, Drosophila suzukii, (SWD) has been confirmed in soft-skinned fruits across New Hampshire. This invasive pest is related to the fruit flies studied in high-school genetics classes across the country, but with a significant difference.
The female has an ovipositor with saw-like teeth on it, enabling her to lay eggs in ripe and ripening soft-skinned fruits. This pest has the potential to cause economic damage pre-, during, and post-harvest. Crops that are currently at risk from SWD are bramble fruits, everbearing strawberries, grapes, and late blueberries. Please visit the links below for further information on this pest.
- Recommendations for SWD in New Hampshire
- SWD Fact Sheet
- Michigan State University's SWD site, with links to fact sheets, how to monitor, and control recommendations by crop
Spotted-wing Drosophila
Courtesy of Cheryl Smith and Alan Eaton,
University of New Hampshire
Portable Document Format (.pdf). Visit nh.gov for a list of free .pdf readers for a variety of operating systems.
NH Department of Agriculture, Markets and Food
Mailing: PO Box 2042, Concord NH 03302 -2042
Physical: 1 Granite Place South, Suite 211, Concord, NH 03301
(603) 271-3551 | fax: (603) 271-1109