HELP! I am the landscape chairman of the Hampton Place Homeowners Assoc. in Grapevine, TX. I am proud to say that our small HOA of 29 residences is one of the prettiest neighborhoods in town. Suddenly, we are inundated with moles tunneling under our St. Augustine lawns. Not only is this unsightly, but it creates havoc with lawn equipment. We have treated for grubs, so I assume that they are feasting on earthworms. What do you suggest as the best remedy?
My first recommendation is to dig some plugs and check for grubs again. Often when areas have used the same treatment for several seasons, I find they have a resistance to that insecticide and are re-populating. Trapping then becomes the effective program. Below is a publication that outlines options: