Tree-killing invasive species found in Benzie County at Sleeping Bear Dunes A tiny, invasive insect recently detected in a national park campground set off a flurry of activity among environmental experts determined to fend off the threat as long as possible. Evidence of hemlock woolly adelgid was found Feb. http://pest-control-solutions-co54297.blog4youth.com/2357480/practical-mosquito-pest-control-plans-some-helpful-ideas-to-consider