Genus species: Drosophila suzukii
The spotted wing Drosophila (SWD) is a vinegar or fruit fly of East Asian origin. It made its way into New York by 2011. Today, it has spread throughout most of the continental US. It can directly infest the fruit of many plants, but is most attracted to raspberries, blackberries, blueberries, and other late-season, soft-flesh fruits — cultivated and wild.
SWD deserves notice because, unlike her relatives, which lay eggs on over-ripe or rotting fruit, she can lay eggs inside fresh fruit, often before harvest. After only a few days, the fruit skin becomes dimpled or wrinkled, forming craters in the fruit. Without control measures, late season raspberries, blackberries and blueberries can suffer upwards of 80% crop loss.
- Spotted Wing Drosophila Working Group, NE IPM:
- Getting Ready for Spotted Wing Drosophila: Understanding Risks for Small Fruit Crops and Current Management Options – webcast with Dr. Greg Loeb, Cornell University
- Spotted Wing Drosophila – Michigan State University
- Spotted Wing Drosophila – Oregon State University
- SWD Resource Database from the Northeastern IPM Center
- PA IPM, Spotted Wing Drosophila, Individual sections in PDF format:
- This “Ninja” Fruit Fly Cuts into Perfect Fruits – Spotted Wing Drosophila (2012 Fruit Quarterly v. 20-3)
- Spotted Wing Drosophila – General information, NC Small Fruit & Specialty Crop IPM
- Spotted Wing Drosophila (SWD), New Hampshire Department of Agriculture, Markets & Food
- Finger Lakes SWD monitoring videos – See — and learn how to ID — what the Loeb Lab is finding in their SWD traps. More info.
- Spotted Wing Drosophila – Info from the New York State IPM Program.
- SWD ID Video – You-tube video from Oregon State University on how to identify SWD.
- SWD Management – NY product tables for berry crops – including blueberries, raspberries and blackberries, and strawberries. NY product tables for stone fruit and grapes.
- Special SWD issue of New York Berry News [2013-07-29]
- Evaluation of Insect Exclusion and Mass Trapping as Cultural Controls of Spotted Wing Drosophila in Organic Blueberry Production – New York Fruit Quarterly, Spring 2014.
- How do I manage Spotted Wing Drosophila (SWD) in my garden?
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