Along with U.S. Forest Service colleagues, OSU researchers have figured out what a particular pheromone is communicating to Douglas–fir bark beetles and now use that language to help protect high–value trees on thousands of acres across much of the West.
![](https://osu-wams-blogs-uploads.s3.amazonaws.com/blogs.dir/2648/files/2008/01/Feature-beetle_large.jpg)