We had these big time in Md and No Va. They came in on cargo ships from Asia and there are no known natural predators yet. They typically winter over inside the walls of the home and come out when it starts getting warm. The wine makers in No Va called in all sorts of experts to help since they were doing a number on the grape crops. There is a product that is effective in controlling them and back around 2012 when living in Md it was available through some farm supply stores. The name escapes me but begins with “T” and is mixed with water and sprayed onto the sides of the house and window sills. If these are now a big problem in New England, my guess is they have been “hitching” rides on trucks, boats and cars coming up from further south.
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