The beginning of the summer is a great time in the Chicago area.  The warm weather is back, and the trees are in full bloom for the growing season.  However, the return of warm weather and freshly grown foliage also means that those annoying pests that can damage your plants are back.  With the return of the growing season and the pests that come with it, we have returned with our series on tree diseases and insect pests of the Chicago area to...