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Local extension warns of spreading spotted lanternfly; growers urged to scout and remove tree-of-heaven
Summary
Cornell extension presenters said a spotted lanternfly population in the Finger Lakes area is larger than first thought, warned growers that heavy feeding can reduce vine starch reserves, and urged scouting, targeted insecticide use and removal of Ailanthus (tree of heaven) where feasible.
Cornell Cooperative Extension specialists briefed supervisors on a growing spotted lanternfly infestation in the Finger Lakes and explained why grape growers and homeowners should watch for the pest and its preferred host, tree of heaven (Ailanthus altissima).
Hans Walter-Peterson, senior extension associate with the Finger Lakes Grape Program, said the pest has been spreading rapidly since it was first detected in the U.S. and is now established in many counties in the Northeast. “This fly has invaded almost the entire state of…
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