Pet Health

Tips to Raise Mealworms

Discover essential tips for raising mealworms efficiently at home! Learn about habitat setup, feeding, and care to boost your mealworm population effortlessly.
Author: Veterinary Team
Dial A Vet
Updated
June 6, 2025
|
Published
June 6, 2025
Close-up of mealworm larvae in a container with oats, showcasing ideal habitat setup for raising mealworms.

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Raising mealworms may seem like an unusual hobby, but for pet owners with reptiles, birds, or even small mammals, it’s a fantastic way to ensure a reliable, high-quality food source for their pets. Mealworms are not only nutrient-rich but also relatively easy to breed and maintain at home. If you’re curious about how to get started, this guide will walk you through everything you need to know about raising mealworms successfully.

🩺 Vet Recommendations

Mealworms are a popular feeder insect for many pets, but not all mealworms are created equal. When raised properly, they can be a safe, nutritious food source that supports your pet's health. However, poorly maintained mealworm colonies can carry diseases, parasites, or even harmful bacteria. Here’s how to ensure you’re raising healthy mealworms:

  • Keep their environment clean to prevent contamination.
  • Provide a balanced diet to ensure they’re nutrient-rich for your pet.
  • Monitor their growth and remove dead insects regularly.
  • Store them at appropriate temperatures to avoid stress or death in the colony.

By focusing on cleanliness and nutrition, you can ensure the mealworms you raise are a safe and reliable food source for your pet.

📋 Care Tips

Mealworms are relatively low-maintenance, but they do have specific care requirements. Below are the key steps to raising mealworms at home:

1. Set up the right habitat

Mealworms thrive in a simple, dry habitat. Use a smooth-sided plastic or glass container with a lid to prevent them from escaping. Ensure the lid has ventilation holes to allow proper airflow. Line the bottom of the container with a substrate like wheat bran, oats, or cornmeal, which doubles as their bedding and food source.

2. Maintain the right temperature and humidity

Mealworms thrive in temperatures between 70–80°F (21–27°C). Avoid placing their habitat in direct sunlight or near heat sources, as this can lead to overheating. Keep humidity levels low to prevent mold growth in their bedding.

3. Feed them a balanced diet

Mealworms eat grains, fruits, and vegetables. Provide small amounts of carrots, potatoes, or apples to supply moisture and additional nutrients. Remove uneaten food after 24–48 hours to prevent spoilage or mold.

4. Monitor their life cycle

Mealworms go through four life stages: egg, larva (the mealworm stage), pupa, and adult beetle. To maintain a steady supply, separate the beetles into a different container so they can lay eggs without disturbing the larvae.

5. Keep the habitat clean

Regularly remove dead insects, shed skins, and waste (called frass) to maintain hygiene. Replace the substrate every few weeks to keep the environment clean and healthy.

✅ Do’s and Don’ts

  • Do: Handle mealworms gently to avoid injuring them.
  • Do: Use non-toxic containers and substrates.
  • Do: Wash your hands before and after handling mealworms to prevent contamination.
  • Don’t: Overfeed fruits or vegetables, as excess moisture can lead to mold growth.
  • Don’t: Use substrates like sand or sawdust, which are unsuitable for mealworms.
  • Don’t: Expose mealworms to extreme temperatures, as this can kill them.

💡 Expert Advice

Raising mealworms can be a rewarding experience and a cost-effective way to feed your pets, but it’s important to monitor their health and environment closely. Cleanliness is key to preventing diseases or pests that could harm your colony or your pet.

If you’re new to raising feeder insects, start small and gradually expand your colony as you become more confident. Remember, a healthy mealworm colony will result in healthier pets.

FAQs

Q: How often should I clean the mealworm habitat?
A: Clean the habitat every 2–4 weeks by removing waste, dead insects, and old substrate. Regular cleaning prevents mold and bacteria from developing.

Q: Can I use wild-caught mealworms instead of raising my own?
A: It’s not recommended. Wild mealworms may carry parasites or toxins that can harm your pet. Raising mealworms at home ensures they’re safe and properly fed.

Q: What should I do if my mealworm colony develops mold?
A: Remove any moldy substrate or food immediately, and transfer the mealworms to a clean container with fresh bedding. Ensure the habitat has proper ventilation to prevent future issues.

Book a $49 online vet consultation at https://www.dialavet.com for fast, expert advice.

References

While every effort is made to ensure the accuracy of this content - including vet review where applicable - this article is for informational purposes only and is not a substitute for professional veterinary advice, diagnosis, or treatment. If your pet is unwell or you are concerned, please speak with a licensed veterinarian. You can book a $49 online consultation with our veterinary team  😄
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