Superworms have long been a staple feeder insect in the reptile and amphibian hobby. Actually larvae of the darkling beetle Zophobas morio, superwormsworms are inexpensive and easy to store before feeding them to your reptile or amphibian - simply keep them at room temperature and provide them with a food/water source, such as a carrot. How to Feed Superworms can be fed as a treat or staple, depending on the animals you're feeding, but should not make up the bulk of the diet of your pet. Make sure to dust superworms with a proper vitamin and mineral supplement before being fed to your pet. Feed superworms using feeding tongs or in a worm dish. Superworms are great feeder insects for: leopard geckos, crested geckos, fat tail geckos, bearded dragons, lizards, geckos, wild birds, and fish.