Mealworms are the brown worm-like larvae of darkling beetles. They are the second of four stages of life and exist to eat and grow until they have enough energy stored to begin transformation into pupae and then beetles.
Mealworms are a popular feeder insect for bearded dragons, bluebirds, chickens, fish, and many other animals. They are high in protein and fat and are easy to maintain. They are available live or pre-killed and dried.