The answer to 'sod pests' is that common sod pests include grubs, chinch bugs, and sod webworms. These pests can cause significant damage to your lawn by feeding on the roots and grass blades. Symptoms include discolored, thinning patches of grass, and visible insects or larvae.
For grubs, the best solution is to apply a preventative grub control product in the spring or early summer. Chinch bugs and sod webworms can be treated with targeted insecticide applications. However, if the infestation is severe, it's best to call a professional lawn care service to properly diagnose and treat the problem.