It covers insects, diseases, pests, grass varieties, etc. 2. The pests include white grubs, chinch bugs, armyworms, spittlebugs, sod webworms, billbugs, mole crickets, and cutworms. A section on the nature of damage was given as well as a few on the control of the pests including selection of control materials and application methods. This site on lawns addresses many different diseases. In addition, some recommendations on action to take for prevention or treatment is given.
Some small pictures show what most of the diseases look like.
Some of the pics are not very good. This web site explains how to detect and repair turf problems. This is an excellent site for information about how a person can care for their lawn. It has several different areas to go into like insect control and weed control. It also talks about lawn fertilization.