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Tomorrow! Tuesday, August 29, 2017 from 5:00 to 7:00 PM at The Berry Patch, 15589 NY-22, Stephentown, NY 12168 this workshop will cover the following topics:

  • Plasticulture strawberry production for June bearing and day neutral varieties
  • Low tunnel strawberry production
  • High tunnel raspberry production
  • Exclusion netting to control SWD in blueberries
  • Using computer models to improve pest management of berry crops
  • Collaboration between NEWA,, and NYS Mesonet,
High tunnel raspberry production.

Register by calling Abby at 518-746-2553 or registering the ENYCHP website,

There is no fee, but it will help us provide the appropriate number of handouts etc.

This workshop event will happen rain or shine.

If you have questions, please contact Laura McDermott: 518-791-5038 or

Come and learn from experts! There will be plenty of time for your questions and discussion.

  • Dr. Greg Loeb, Cornell
  • Dr. Juliet Carroll, NYS IPM and NEWA
  • Dale Ila Riggs, The Berry Patch
  • Laura McDermott, CCE ENYCHP

This field workshop is for the commercial berry grower.
Monitoring for pests, designing an effective pest control program, understanding cultural and chemical SWD management strategies and general troubleshooting will all be part of this workshop.


Dates first trap catch of SWD occurred in the monitoring network. Most occurred in June and early July, with only one in August, on the first.

As of August 7, 2017, all of the 32 SWD trapping sites have caught SWD in 21 counties in New York. To prevent fruit infestation now, susceptible fruit crops need to be protected with an insecticide spray program or have already had exclusion netting in place. Reports are coming in from growers stunned by the level of damage that SWD can cause to their crops, especially blueberries and raspberries. Plantings have been closed.

As of August 10, on average, 200 SWD per trap are being caught in an unsprayed fall raspberry planting at the NYS Agricultural Experiment Station in Geneva, NY. Fruit samples from this planting have, on average, 8 larvae per fruit as found via salt flotation. Each collected fruit yielded a range of 0-8 eggs. These data provide evidence that high pressure from SWD builds during late summer, making it impossible to harvest susceptible fruit that is free of infestation during this time, unless an insecticide program or exclusion netting is in place.

Protect crops from SWD! (SWD hosts)

  • late-summer-ripening raspberry, blueberry, blackberry, elderberry
  • monitor for infestation in less susceptible fruits: ever-bearing strawberries, thin-skinned grapes, plums and prunes with salt flotation

Management tactics- (SWD management)

  • timely insecticide sprays (berries) (tree fruit and grapes)
  • rotate active ingredients
  • weed management
  • canopy management
  • clean picking
  • remove or spray dropped fruit

Read and follow insecticide label directions.

Find more about SWD on Cornell Fruit Resources SWD pages.

Please join me in thanking the Cornell Cooperative Extension (CCE) specialists who contributed time to the SWD trap network:

  • Amy Ivy, CCE Eastern NY Horticulture Program (Clinton and Essex County traps)
  • Bernie Armata, CCE Association of Herkimer County (Herkimer County traps)
  • Dave Thorp and Jennifer Damon, CCE Association of Livingston County (Livingston County traps)
  • Don Gasiewicz, CCE Association of Wyoming County (Wyoming County traps)
  • Faruque Zaman, CCE Association of Suffolk County (Suffolk County traps)
  • Janice Beglinger, CCE Association of Genesee County (Genesee County traps)
  • Jim O’Connell, CCE Association of Ulster County (Ulster County traps)
  • Juliet Carroll, Nicole Mattoon and Taylere Herrmann, CCE NYS IPM Program (Cayuga, Onondaga, Schuyler and Wayne County traps)
  • Laura McDermott and Annie Mills, CCE Eastern NY Horticulture Program (Albany, Rensselaer, Saratoga and Washington County traps)
  • Margaret Ball, CCE Association of Tioga County (Tioga County traps)
  • Sharon Bachman, CCE Association of Erie County (Erie County traps)
  • Stephanie Mehlenbacher, CCE Association of Steuben County (Steuben County traps)
  • Tess Grasswitz, CCE Lake Ontario Fruit Program (Niagara and Orleans traps)

Herkimer County traps caught 10 SWD, 7 males and 3 females, on August 1, 2017. Four traps are being monitored in a blueberry planting, which is still not at peak ripeness. The grower is hoping to get a couple more weeks of picking out of the planting.

Three male spotted wing Drosophila (SWD). Note the spot on each wing, which is on the end of the first vein from the outer edge of the wing.

Traps in Herkimer County are being monitored by Bernie Armata, Herkimer County Cornell Cooperative Extension.

This is the final SWD monitoring network County to catch SWD. All other sites are at sustained catch. The number of SWD caught at research sites is on the rise. Reports of fruit infestation have come in, especially from fruit plantings not being treated with insecticide. Some direct market growers have closed their plantings due to SWD pressure.

At this point in time, if fruit is ripe, it should be protected with an insecticide program:

More on SWD Management and on commercial fruit production is on Cornell Fruit Resources,

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