They’re almost here! We generally see destructive Japanese beetles around the Fourth of July. A better way to know the time of their arrival is by using the OSU Growing Degree Days Site at https://go.osu.edu/growingdegreeday. This site helps you know when they are about to emerge. Why are they such a problem? Because they don’t belong here! In 1916, in New Jersey, this insect was introduced from Japan. It has had major consequences on woods, gar…