How many Dubia roaches do I need to start a colony?
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A big question you’ll almost certainly ask when learning how to make a dubia roach colony is how many roaches are needed? Ideally, keep roughly a 1:4 ratio of male to female adult breeders, but if you’d really like to get your colony started, purchasing somewhere around 50 females to 15 males is your best option.
Do Dubia roaches need substrate to breed?
Note that you will not need any substrate. Roaches actually burrow in their own droppings, so they don’t need anything extra; and substrate only makes it more difficult for you to clean the cage. Temperature and humidity levels greatly affect Dubia roaches.
How do you care for a Dubia roach colony?

Offering water crystals or vegetables (such as potatoes or carrots) or both are excellent ways of keeping dubia roaches hydrated. The dishes prevent food and water from soaking into your roaches’ droppings and surroundings. Do not just simply put a dish of water into the enclosure, as the roaches will drown.
What do you gut load Dubia roaches with?
Dubia roaches enjoy apples, oranges, and bananas. They also really like sweet potatoes, beets, and carrots. These foods are excellent general gut loads because they contain basic nutrients animals need.

What is the best bedding for Dubia roaches?
Cardboard egg crate flats provide the most surface area per square inch. You may be able to get egg crate flats from a bakery or store like Walmart or you can buy them from us. It’s best to stack the egg crate flats vertically so the Dubia roach droppings fall to the bottom of the enclosure.
How hard is it to breed Dubia roaches?
Breeding dubia roaches can be simple and is almost a by-product of proper care: if your roaches are housed, heated and fed correctly, they will breed on their own. Temperatures of at least 85F are required to breed Dubia roaches successfully.