What Do Mealworms Eat?

What Do Mealworms Eat?

Mealworms are small, flightless insect larvae that are often used as food for reptiles, birds, and other small animals. Mealworms have a unique diet that must be understood in order to be adequately fed.

Their Natural Diet

In the wild, mealworms feed on decaying matter, decaying fruit, as well as some plant leaves. Breakfast items can include grains, oat flakes, flour, and other oddments that may be available.

What Do Mealworms Eat In Captivity?

When kept as feeder insects in captivity, the diet of mealworms should include the following:

  • Fruits and Vegetables: Mealworms thrive on a variety of fruits, vegetables, and grains. These include apples, carrots, potatoes, and other fruits and vegetables.
  • Grit: Grit refers to small pieces of sand or gravel that provide the mealworms with additional minerals and fiber.
  • Mealworms Diet Enhancer: This vitamin-fortified food is made specifically for mealworms and contains essential vitamins and minerals necessary for proper growth and health.
  • Commercial Mealworm Chow: Many pet stores sell mealworm chow, which is high in protein and other nutrients needed to promote healthy growth.

Mealworms should also have access to fresh water, which they can absorb through their skin.

Avoidance of Certain Foods

Mealworms should not be fed dairy products, or anything that is soft and moist like bread, crackers or cereal, as these can lead to mealworm mold. Other items to avoid are citrus fruits and anything containing preservatives or additives.


Mealworms have a unique diet that is essential for their health and growth. A proper diet for mealworms should be composed of fruits and vegetables, grit, mealworms diet enhancer, and commercial mealworm chow. However, it is important to avoid certain foods such as dairy products, citrus fruits, and anything containing preservatives or additives.

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