Don't let a cat kill your lizards. Put mothballs around the house and the lizards won't go near them. If you kill off the lizards you'll have a bug problem. (08/10/2008). I bought those plug-in pest controls from Home Depot to keep the lizards out of the house.They supposedly emit a high pitch tone that will rid the house of pests.f you kill off the lizards you'll have a bug problem. (08/10/2008). I bought those plug-in pest controls from Home Depot to keep the lizards out of the house. They supposedly emit a high pitch tone that will rid the house of pests.