We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Before You Buy a Grub Killer Grub Killers Comparison Best Overall Best Bang for the Buck Best Preventive Best Eco-Friendly Best Ready-to-Spray Best Selective Best Broad-Spectrum Best Concentrate Or, DIY Your Own Grub Killer How We Chose the Best Grub Killers Why We Didn’t Recommend Products Containing Dylox What to Consider When Choosing a Grub Killer FAQs For a green, healthy, beautiful lawn, the right grub killer is key. The white grubs that damage lawns are the larval life stage of several beetle species. Japanese beetles, June bugs , masked chafers, May beetles, and other beetle larvae feed on plant roots before pupating into adults. When the population swells, especially in late summer, the grass won’t regrow roots fast enough to keep up with the hungry larvae. When this happens, it’s time to treat the infestation with grub-control products.…