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CRISP partners represent diverse stakeholders throughout the Catskill Mountain Region.


Our mission is to promote education, prevention, early detection and control of invasive species to limit their impact on the ecosystems and economies of the Catskills. 


We are one of eight Partnerships for Regional Invasive Species Management (PRISM) in New York State.

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The hemlock woolly adelgid (Adelges tsugae), a relative of the aphid, is a destructive invasive species in the Catskills. This native of Asia has been spreading through the Hudson Valley and Catskills since the late 1980’s. The adelgid causes Hemlock trees to decrease growth and is usually fatal. The wind, birds, other wildlife and the movement of infested host material (wood) by humans are all factors in the dispersion of the adelgid.


Above: Evan Sweeney and Dan Snider treating Giant Hogweed in Sullivan County. Giant Hogweed is an invasive plant which can cause severe burns, making it one of our priority species to suppress. Click here to find out more. 

Thanks to the New York Environmental Protection Fund

as adminstered by the NYS Department

of Environmental Conservation

CRISP and its partners are working to defend the Catskills



Learn about the Agricultural Pests in the Catskills!





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