Breeding Superworms: A guide to raising and breeding superworms
In today’s economy we are all searching for ways to save money. Breeding your own feeders is one of the best ways. For the past several years I’ve been breeding superworms for all my geckos. It’s a fairly simple process and with some time and patience you can raise your own feeders.
Stages of life
Superworms have 4 stages of life: egg, larva, pupae and beetle. The beetles are the only ones that reproduce. Breeding superworms is very similar to that of mealworms but with one difference. They will need to be separated individually so they can pupate. If you keep them together you will never obtain beetles to start another generation. Superworms grow slowly and it can take 5 months or longer (depending on the temperature you keep them at) to become large enough to start the “morphing” process. Pupation is an essential process and the only way to obtain beetles for breeding. I keep all stages of superworms at a temperature between 70 and 80 degrees Fahrenheit.

Metamorphosing superworms
Choose the largest superworms possible and place a single worm into an empty 35mm film container. I’ve found film containers work best as they require very little space. Due to the digital era they are becoming harder to find but I’ve always had good luck at the Wal-Mart and Costco photo centers. If you can’t get them you can always use plastic bead boxes for crafts, baby food jars etc.

Leave the superworm in the empty film container with no food or water. Adding food or water to the film container prolongs the time it takes them to pupate and makes a bigger workload for you. As long as they are very large larva you should have very few to no deaths.

After several days the worms will become dormant and begin curling to a letter “c” or “e”. This is the start of the morphing process. Any superworms that are straight looking, hard or black are probably dead. The process from larva to pupae takes 1 to 2 weeks.
Superworm pupa

Once the worm has pupated it will look like a white or cream colored “alien” as most people call them. This is their third stage of life. You can either leave them in the film container or place them all in a separate container. I remove mine and place them in a separate container as it saves space and then you can start another larva in the film container. When their legs turn darker in color you’ll know a beetle is about to emerge. The process from pupae to beetle takes about 2 weeks.

Superworm beatles
Before removing these beetles you need to put together a new breeding container. I use trays that are (14” x 10” x 3.5”). You can use really any type of container such as Rubbermaid and Sterilite but I’ve found cat litter pans to be most effective. Add about 1 inch of wheat bran or a pre-made gutload to the bottom of the container. The beetles will eat and lay their eggs in this. Try not to use coarse bedding such as oats unless you blend it to a powder. This will make it easier to separate the superworms later for cleaning or feeding your animals. In one corner I add a small piece of egg crate so the beetles have a place to gather. Otherwise they may wander through the container digging up eggs and eating them. You may now move the beetles to this container. Offer potatoes, carrots, fruits or water crystals as a water source. Moisture is extremely important for the beetles just as it is for the superworms themselves. A lack of moisture will result in beetles preying on eggs, newly hatched babies and other beetles.

About every 2 to 4 weeks (depending on how many beetles you have in one container) remove the beetles from the bedding and place them in a fresh container as described above. This allows the eggs to hatch and furthers your chances of obtaining more babies. If the beetles are left they will prey on the eggs and possibly the newly hatched larva. The newly hatched worms could do the same with each other. Adult beetles can live up to 5 months with a female laying nearly 500 eggs in her lifetime.
Raising baby superworms
The key to hatching is heat and most importantly moisture. For the babies I keep the temperature around 78 degrees Fahrenheit. Add small chunks or slices of potato, carrot, apples etc on the bedding surface. This will provide moisture for the newly hatched babies. Once the babies grow larger you can use water crystals if you wish.
That’s it, you’ve bred superworms!
Congratulations! You have now successfully completed your first breeding cycle. It will take time before your colony is established but once it is you’ll have a continuous supply of superworms!
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Cody Castellanos is the owner of Pro Geckos and works with various gecko species including leopard, fat tails and Nephrurus. He also stocks a full line of supplies to meet all your needs.

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For the past several years I've been breeding superworms for all my geckos. It's a fairly simple process and with some time and patience you can raise your own feeders.

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Jamie,
I’m glad to hear that you are having good success!
Andrew,
I’m not sure what a Bulk Barn stocks but things like bran, oats and wholegrain cereal are all suitable. Commercial gutloads are also very good.
I am wondering approximately how long it will take for the eggs to hatch into the worm stage and also how many from each batch you should try to add to the adult beetles in order to maintain population while providing food for my pet.
It will take about 2 weeks for the eggs to hatch at temps in the mid to upper 70s. You most likely won’t see them though as they are very tiny. The adult beetles live about 5-6 months after they emerge. I would hold back at least 25% of each batch to turn into beetles. If you end up with too many you can always cut back or just sell the superworms.
Sometimes it is a bit hard to choose from the different brands and styles of baby beddings out there on the market. I usually pick the one that fits my budget~.;
k so i put my 50 or so betels from 1 bin to the other then i saw that the bedding in the first bin is all clumpy and stuff but it doesn’t feel wet/damp
is this normal??
That sometimes happens when there is an excessive amount of moisture. If you are adding a lot of potato, carrot etc then it sometimes gets the bedding wet and when it dries it clumps.
i always prefer those wool and cotton baby beddings because they keep the baby warm**.
i want to know how long it takes the bettle to have eggs and if they only need to be pregnant once like roaches to keep on producing eggs
The beetles begin mating right away and females will start laying within a week and there after until their death. As far as a female going on one mating I don’t know. Males and females are always together so I’m sure they are repeatedly mating.
How do you know which is Male and a Females.
To my knowledge there is no way to tell the difference between males and females.
the female can’t close their wings compeletly, the mailes can.
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i always make sure that my baby bedding does not have any dust mites on it**-
our baby bedding is made up of stainless steel and cotton fibers, they are great’”‘
hi there, how do i keep the temperature at a constant heat, does the worms like darkness or must it be light all the time, at the moment i hava a few worms in a old fish tank with a towel over it to try and keep it dark but to raise the temperature i will need to install a light or something to get the heat up but that means to leave the worms with a light on the whole time, the female beetle, does it lay 500 eggs in a life cycle or 500 eggs per session? greetings
The beetles and the superworms generally prefer darker areas. If you want to give them more heat you can use a heat mat, heat tape or even a ceramic heat emitter. All they really need is the low to mid 70s which is usually room temperature. The 500 eggs laid would be in the female’s lifetime but results vary depending on the female.
can they fly
No, they can’t fly.
so when do the beetles mate?
Once you put them together it’s generally right away.
oh ok cuz my darklings beetles dont mate right away they wait for a week or so to mate
hi do i need to put a lid on the container so the dont escape
what if you have only one worm will it still lay eggs??? After it turns into beetle
No, you have to have a male and female to get eggs. You can’t visually tell what is male or female so as long as you have multiple beetles you’ll be fine.
once i decide that it is time to dispose of a group of beetles toward the end of thier life cycle is it o.k. to feed them two my bearded dragons (two of them are almost 5 years of age and very large, the other two are a little over two and between medium and large size)
My baby (3 month old) dragon ate a mealworm beetle by accident, he was on my shoulder and i was showing someone my colony for mealworms and superworms and he jumped off into it and ran for the closest beetle…
I heard that if they eat too many or something they can get sick, but i cared for him and he was all good
Most reptiles won’t eat the beetles. They have a very hard shell that could be hard for them to digest. I wouldn’t get rid of them because they are old. The beetles will produce babies right up until their deaths.
is it ok if they wake or move when i check on them???? do i disturb their development??? :C
Checking in on them should not cause any problems.
When the beetles die, do you know if it is safe to compost them, like for a vegetable garden? Or do they end up putting nasty things in the soil? Is it best to just throw them in the trash?
I’m sure they can be composted along with the dead superworms, skins etc. but I usually throw all that in the trash. Their poop on the other hand makes a great fertilizer!
i am using chicken laying mass as a bedding for my betles, is it fine? can you give me any suggestions.
That works as a food. Basically anything grain based such as but not limited to bran, oats, commercial gutloads etc.
will the beetles lay egg once and then they will die ?or they can lay again ?how many times ?
The females will continually lay eggs until their death.
is it better for them to have 32-35` celcius ?because thats our normal temp here in our place.
You technically can keep them at that temperature. I find though, that anything above 85°F (about 29°C) there tends to be more cannibalism. It will become very important to keep them hydrated and make sure there is moisture available at all times.
what vegetable can provide them enough moisture ?is chayote enough ?
I’m not sure what chayote is but really any vegetable or fruit can be used. Most people use potato, carrot, apple, pears etc.
ok,thanks man.
This is a very useful information.
My question is: Does the beetles bite? Do they have dangerous mandibles?
And randy, here in the Phil. we call that vegie a “sayote” . It does not have any dangerous chemicals and is nutritious i believe so I think we can use it. You just gave me a mighty good idea.
The beetles can bite very similar to the superworm larva. If they catch you just right it will hurt, although I’ve never been bit by one.
Ah, I see. Thanks Cody. Does the beetle or the worm has a venom of some sort? Also, can you please give me an estimated length of the worm before i can isolate them for morphing?
You’re welcome! No, neither the beetle or larva have venom. The largest worms prime for breeding are right around 2″ in length. Smaller ones can also morph into beetles but it results in small beetles.
Cody, if they morph into small beetles will they still breed? Is there any disadvantage or negative effect?
I have not noticed any difference in breeding with the smaller and larger beetles. I have noticed though that the smaller beetles tend to have a shorter lifespan. If possible it’s always best to use the largest worms.
tokay are you a filipino ? because i am too..
i havn’t fed my baby worms any veggies for moisture in maanny weeks ..will they die ?
They potentially can. Most of them result to cannibalism for moisture if there is not enough present. If you start seeing half eaten superworms try offering them more moisture.
lol, my gecko loves mealworms and superworms pupaes. its the only thing tht is alive that doesnt move that my leopard gecko eat. otherwise, its all crickets