Mealworms feed on wheat ban and whole wheat flour. Many people who breed them as food to their reptiles use their beddings as a means of their feeding. Mealworms beddings are made of wheat flour and wheat band.
Meal worms eat grasses, leaves, and sticks that are decaying; they also eat dead insects, stored grains, or new plants and roots. They get the moisture that they need from apples, other watery fruits, and potatoes.