Spotted Lanternflies were first discovered in Berks County in Southeast PA about 5or6 yrs ago, now all over SE PA and spreading. From China. They secrete a disgusting dose of excrement which you can smell as you near their favorite trees. It will completely blacken the bark. This year, they have declined in population as the local birds are figuring out they are safe to eat. Tree of Heaven, an invasive species, is their favorite tree, but they also like Maples, Willows, Apples, Grapes, Virginia Creep and a lot of others.
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