If you live in Utah, chances are you've encountered a grub or two in your lifetime. But what exactly are grubs, and why are they so pesky? Grubs are the larvae of various beetles, and they typically spend their winters underground, feasting on plant roots. In the spring and summer, they emerge to mate and lay eggs, and can often be found resting on the soil surface. While they don't typically cause significant damage to plants, their presence can be a nuisance. Here are the top five grubs that are commonly found in Utah: