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Cornell Fruit Resources

Resources for Commercial Growers

SWD Distribution Maps

2017 Spotted Wing Drosophila (SWD) Distribution map

Genus species: Drosophila suzukii

Now recognized as established throughout Northeast. First detected in New York in 2011 and presumed distributed throughout New York as of 2012.

Confirmed 2017 trap captures in New York:

Counties colored white either don’t have traps reporting to the map or have not entered trap catch data into the map. Trap catch reports update to the map within an hour. The color scheme denotes the month of the first trap catch report for that County. The following counties are reporting to the map: Albany, Cayuga, Clinton, Erie, Essex, Genesee, Herkimer, Livingston, Niagara, Onondaga, Ontario (research site), Orleans, Rensselaer, Saratoga, Schuyler, Steuben, Suffolk, Tioga, Ulster, Washington, Wayne, and Wyoming.


Confirmed 2017 trap captures in other states along the Atlantic seaboard:

Map from the Eastern Spotted Wing Drosophila Volunteer Monitoring Network.


Archived maps information:

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