Curled tan larva (pupa) with visible segmentation on a white surface.
Large Mealworms Price range: $2.50 through $299.99 — or subscribe to save 5%
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Giant Mealworms

(107 customer reviews)

Price range: $7.99 through $299.99 — or subscribe to save 5%

Plump, juicy, and highly visible live feeders—the perfect meat-heavy staple or treat for medium-to-large insectivores.
Giant Mealworms (Tenebrio molitor) are regular mealworms that have been specially grown to reach double their standard size, measuring approximately 1.5″ in length. By introducing a natural growth inhibitor during their juvenile stage, these worms continue to grow larger and meatier instead of pupating. They are highly active and provide significantly more substance per bite, making them an excellent, cost-effective choice for satisfying hearty reptile appetites.
  • Size: Generous giant size, averaging a full 1.5″ (38mm) in length.
  • Keeper Convenience: Easily stored in the refrigerator to slow down their activity and maximize their shelf life for months.
  • High Visibility: Their larger size and active crawling behavior instantly catch the eye of hungry predators.
  • Perfect For: Bearded dragons, leopard geckos, chameleons, skinks, turtles, and wild birds.

   
   

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Description
Upgrade your exotic pet’s feeding routine with our farm-fresh Giant Mealworms. If your pets love standard mealworms but require a more substantial, meat-heavy meal to keep up with their growth, giant mealworms offer the perfect upscale solution without moving to an entirely different insect species.
The Secret Behind the Giant Size
A common misconception is that giant mealworms are superworms—they are actually entirely different species! Giant mealworms are standard mealworms whose pupation cycle has been safely delayed using natural, non-chemical methods. This allows them to stay in their larval form much longer, molting additional times to grow significantly thicker and longer. Because they are just larger mealworms, they retain the same familiar taste and scent that your reptiles already love, making them an instant hit at feeding time.
Why Choose Giant Mealworms?
  • Exceptional Lifespan: Giant mealworms are incredibly hardy. When kept chilled, their metabolism slows down to a crawl, allowing you to stock up and store them for weeks or even months with zero daily maintenance.
  • High Nutritional Density: These plump grubs are packed with essential proteins and energy-dense fats, making them a fantastic tool for boosting growth spurts in juveniles or helping breeding females recover their weight.
  • Clean and Easy to Contain: They cannot fly, jump, climb smooth plastic, or bite your pets, ensuring a mess-free and low-stress feeding experience for both you and your animals.
💡 Storage & Care Instructions
To keep your giant mealworms healthy and preserve their larval stage as long as possible, follow these simple guidelines:
  • Refrigeration Storage: Store them in your refrigerator’s crisper drawer or door shelves at a steady temperature between 4°C and 10°C. This keeps them dormant and fresh.
  • Warming Up to Feed: When you are ready to feed your pets, remove the desired amount of worms from the fridge and let them sit at room temperature for about 15–20 minutes to wake up and start crawling.
  • Maintenance (Optional): If keeping them in the fridge for more than a couple of weeks, take the container out once a week for 24 hours at room temperature. Give them a small slice of carrot or potato for hydration, let them feed, remove any leftover food, and place them back in the fridge.
  • Keep Dry: Ensure the organic packing media (like wheat bran or oats) stays completely dry. Moisture inside the storage container will cause the media to spoil quickly.

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Additional information
WeightN/A
DimensionsN/A
Amount of Giant Mealworms10,000, 100, 1000, 250, 500
Reviews (107)

107 reviews for Giant Mealworms

Powered byCusRev
4.9
Based on 107 reviews
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Customer photos and videos

Image #1 from Alexandre
Image #2 from Alexandre
Image #3 from Alexandre
Image #1 from Keith A.
Image #1 from Jordana S.
Image #1 from Alexandre

Alexandre

I'm not impressed at all. I am writing to express my frustration with your service. I have consistently experienced late arrivals and incorrect sizing with my mealworm orders. Because of these ongoing issues, I have always dreaded ordering from you and will be taking my business elsewhere. I order Giant mealworms and they've arrived late, they're incorrect sizes and worst of all, they're already curling up and molting into pupae. I refuse a refund before you even offer it, y'all offer it every time and all I say is I want my worms to feed my pets, maybe you guys can use that money to go and buy real giant mealworms, now if you'll excuse me, I'll take my business elsewhere. 👋

Image #2 from Alexandre

Alexandre

I'm not impressed at all. I am writing to express my frustration with your service. I have consistently experienced late arrivals and incorrect sizing with my mealworm orders. Because of these ongoing issues, I have always dreaded ordering from you and will be taking my business elsewhere. I order Giant mealworms and they've arrived late, they're incorrect sizes and worst of all, they're already curling up and molting into pupae. I refuse a refund before you even offer it, y'all offer it every time and all I say is I want my worms to feed my pets, maybe you guys can use that money to go and buy real giant mealworms, now if you'll excuse me, I'll take my business elsewhere. 👋

Image #3 from Alexandre

Alexandre

I'm not impressed at all. I am writing to express my frustration with your service. I have consistently experienced late arrivals and incorrect sizing with my mealworm orders. Because of these ongoing issues, I have always dreaded ordering from you and will be taking my business elsewhere. I order Giant mealworms and they've arrived late, they're incorrect sizes and worst of all, they're already curling up and molting into pupae. I refuse a refund before you even offer it, y'all offer it every time and all I say is I want my worms to feed my pets, maybe you guys can use that money to go and buy real giant mealworms, now if you'll excuse me, I'll take my business elsewhere. 👋

Image #1 from Keith A.

Keith A.

As always, super quality worms that the birds all love. Great company to deal with. 👌

Image #1 from Jordana S.

Jordana S.

Image #1 from Alexandre
Image #2 from Alexandre
Image #3 from Alexandre
Image #1 from Keith A.
Image #1 from Jordana S.
With media
1-7 of 107 reviews
  1. Big n juicy!

  2. Super Fast Shipping. Big juicy meal worms.

  3. The worms were shipped in a great container and my turtles are VERY happy with the worms. DEFINITELY going to be a repeat customer. And customer service is TOP NOTCH!!!

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