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More SWD being found – cherries at risk

In the last week of July 2017, my program found up to 100 SWD in some of the SWD traps in our raspberry research plot in Geneva, NY. Without a doubt, pressure from SWD and fruit infestation levels will be increasing as the SWD population explodes. In addition, fruit crops normally escaping infestation are reporting […]

Blueberry grower reports

Reports from blueberry growers have come in. SWD — caught in traps, found in fruit, and plantings shut down. One of these growers in the Southern Tier of NY, caught a single male in a trap on Sunday, July 23, 2017, and then, “In a matter of 3 days my 4 traps exploded with SWD. […]

Pruning caneberries to minimize SWD habitat within the planting

Examine your caneberry plantings for conditions that promote SWD infestation and take steps to eliminate them. Although we cannot change the weather, we can alter conditions in the planting to reduce the cool, dark, humid areas preferred by SWD. Pruning and training systems can help maintain an open canopy to increase sunlight and reduce humidity. […]

Protecting crops from SWD infestation

To protect crops from SWD infestation, once susceptible fruit is ripe and SWD is in your area, manage them aggressively. Using a combination of tactics is better than relying on one; and is the foundation of integrated pest management (IPM). Talk to your local Extension office about how to monitor for SWD, read Extension newsletters […]

SWD and sour rot of grapes

SWD populations are building up and the warm, humid weather of late summer and early fall is very favorable for spotted wing. Any fruit hanging will be at risk of infestation. Not until late November will the majority of female SWD no longer carry eggs, as they prepare for overwintering. Wayne Wilcox, grape pathologist, Plant […]

Updates from Global SWD Research

Spotted wing drosophila (SWD) is native to South East Asia. It was first recorded as an invasive species in Hawaii in 1980, and in both California and parts of Europe in 2008. Since then it has spread rapidly throughout temperate North America and Europe, mainly due to global trade combined with an initial lack of […]

SWD egg laying – extreme drought & heat

The earliest ever arrival in New York State of this fast-reproducing insect rang alarm bells in anticipation of heavy infestations in early or mid-season berry crops that often escape damage. However, larval infestations have been curiously low in summer raspberry and blueberry crops sampled in many areas, including the Finger Lakes region. We suspect that […]

Lure test results for SWD traps

Figuring out which SWD trap and lure works best has been an ongoing project for many in the Northeast and across the US and Canada. Below are summarized results from Rich Cowles, Connecticut Agricultural Experiment Station, Greg Loeb, Cornell University, and researchers at the University of Guelph, Ontario, Canada. From Greg Loeb In 2015 trials […]

SWD Stakeholder Survey

The Sustainable Spotted Wing Drosophila (SWD) Management for US Fruit Crops project, funded by NIFA, needs your help. This five-year project is developing national research and extension approaches to minimize the impacts of SWD. They include: new management tactics and programs expanded pesticide registrations for SWD information and training on SWD for growers, extension agents, […]

What to do about SWD-infested fruit?

The SWD monitoring network Counties are all positive for SWD as of last week, August 28, 2015. A lot of SWD are being caught in traps in research sites now with population numbers expected to climb into the thousands before frost knocks them back and forces them into winter diapause. Reports are coming in of […]

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