Our Premium Disease Free, Pest Free, Live Large Superworms. If you ordered from other sources in the past, you will appreciate the pristine quality and professional package that gets delivered to you. Buy in bulk for an even better value. Another excellent pet food source which is easier to digest than the mealworm. Superworms are the larvae of a beetle and are loaded with protein. Superworms have a soft body and a super long life span. These worms are a great feeder product for any lizard. Bulk Superworms should be stored in a plastic box at room temperature. Place in a worm chow bedding with a carrot. Worms like to hide, so place an egg flat on top. IMPORTANT NOTE: Do not refrigerate Superworms. It will kill them.