You may ask why one would want to breed mealworms. There are several
reasons I can think of why some might NOT be interested in breeding
mealworms: They are worms! They are smelly, slimy, icky, squirmy, worms!
They can get out and infest my home! Or those that have a bit of experience
with these insects might suggest they can easily be purchase them from a
local pet store or even cheaply in bulk from the internet.
First, let me dispel the assumptions- they
are not smelly, slimy, squirmy, and I don't think they are icky. Their
climbing skills are limited to non slick objects. They are slower moving so
if you do drop one, you can easily capture it.
Yes, you can order mealworms from a pet
store. The Internet also sells worms for as little as $ 12 a thousand!
So why would I want to go through the hassle of breeding them if I can
purchase them so easily and inexpensive? Great question.
If
you raise small reptiles like I do, or have very small hatchlings such as
viper geckos, pictus geckos, or even chameleons, you need to raise your own
mealworms! You will find that breeding mealworms provides a great range of
sizes perfect for these small reptiles. Young reptiles eat often! You need
to have a dependable supply of food just the right size for these young
animals to allow them to grow at a healthy rate. By raising your own, you
can have several sizes available for your animals.
If you have questions about this DIY project, please let me know at
Mealworm Question! and I will get back to you as quickly as possible and will update this page with your information.
To
begin raising your own mealworms start
with about 100 - 200 adult worms. Again, these can be purchased at a local pet
store or even from an Internet company. A note that regular mealworms will
metamorphoses to a pupa and then into the Darkling
beetle. The Super Worms will not go through this process.
Prepare
the bedding used to keep the worms healthy by using a generic brand of oats
and a dry baby cereal. The cheaper the better. I use the oats as a base for the medium. I like to
add the cereal as an additional food source for the young mealworms.
Mix
the two together - 2/3 oats to about 1/3 cereal. You will want to mix enough
to have about an inch or two in the bottom of your container. This will
become the base
food of the worms. Additional foods such as potatoes, carrots, apples, kale,
and other greens will be offered to provide moisture to the worms. The
container can be a plastic shoebox, sweater box, or another setup I'll
discuss later.
Once
the oats & cereal is mixed together, add the mealworms. Add an egg carton
top and bottom and you are good to go. The worms use this egg carton to crawl
around on and under. Although mealworms will not climb the plastic walls, I
position the cartons away from the edges of the box.
Keeping
the mealworms at a constant high 70's low 80's and you will soon start
seeing pupa developing. I have found with the medium mix described above and
other foods offered that the worms will not bother the pupa. Some pupa may
turn brown and die but most should turn into beetles. If you want to
maximize the output, you can certainly separate the pupa from the worms.
Shortly
again, after about 2 weeks of being a pupa, you will start to see a few
Darkling beetles appearing under the egg cartons. Again, I have not noticed
any predation in my groups, even of the softer pupa by the beetles if they
are feed well. The beetles are ultimately what you are striving for in a
healthy mealworm colony. They lay the eggs to create new mealworms. The eggs
are quite small and it is likely you will never see them as they are sticky
and will adhere to the bedding.
Eventually
the container will be a mix of substrate, egg cartons, mealworms of
various sizes, maybe some pupa, and certainly beetles. From this slurry of
activity you can selectively harvest the size of mealworm you desire.
The
above technique works well if you own and need to feed just a few animals.
If you have more than a handful of animals you need to feed, the best way to
go about setting up a non-stop mealworm factory is to use one of those
plastic filing system found at your local department store. Setup each bin
with a culture and you will be pulling all sizes of mealworms-more than you could ever
use. In this setup, I
have 6 drawers of mealworms going (the middle bin is used for vermiculite).
I don't use all the worms this unit produces. I let several bins mature to
produce pupa, beetles, and eventually more mini-mealworms.
I hope you try this neat way to provide your
animals additional foods. Be a bit patient as it does take a little time to
see those first micro mealworms.
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