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How to Breed Grant’s Rhinoceros Beetle

How to Breed Grant’s Rhinoceros Beetle 9

If you like grant’s rhinoceros beetle so much that you want to help preserve the species, you can breed your own grant’s rhinoceros beetle easily. All you need is to learn the lifecycle of the beetle and enough patience to tend to the growing larva. After all, grant’s rhinoceros beetles can stay in the larval stage for up to two years, depending on the availability of food.

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Grant’s Rhinoceros Beetle Lifecycle

How to Breed Grant’s Rhinoceros Beetle 10
How to Breed Grant’s Rhinoceros Beetle 11
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Grant’s rhinoceros beetle begins its life as an egg – or you might say it begins its life as an adult. But just to illustrate a point and to avoid the chicken or the egg argument, the lifecycle of grant’s rhinoceros beetle begins as an egg here. Depending on the environmental factors, the rhinoceros beetles’ egg incubation period can be anywhere between 3 to 4 months. The eggs will then hatch into a larva rhinoceros beetle that looks like a stout white caterpillar with big abdomen and six legs near the head. Rhinoceros beetle, or any other beetle for that matter, spends most of its lifecycle in larva form: anywhere between 6 months to 2 years. When the factors are right, the larva will morph into a dormant pupa that will slowly transform into an adult rhinoceros beetle in 1 to 2 months.

Housing Rhinoceros Beetle Larva

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It’s not difficult to house grant’s rhinoceros beetles as it grows from egg to pupa. All you need is some old tub or a pile of rotting logs with plastic layering beneath. The plastic prevents the larva from escaping by burrowing deep into the soil. Not only do you need to prevent the larva from escaping so that you have an adult beetle to expect, the larva is very destructive to plants. So prevent it from burrowing into the soil. When the beetle reached the pupa stage, you can transfer them into a plastic container half filled with soil and has tiny holes around for ventilation. Place the container in an enclosure ready to catch the hatching adult grant’s rhinoceros beetle when they emerge. The ideal temperature is 60 to 75 degrees Fahrenheit.

Feeding Grant’s Rhinoceros Beetle Larva

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Throughout the lifecycle of the beetle, the larva stage is the most crucial and delicate. The amount of food and the right temperature determine how long your grant’s rhinoceros beetle stays as a larva, which should not take longer than 2 years. It’s very easy to feed grant’s rhinoceros beetle larva – especially if you live near a forest. The beetle larva eats rotten logs you can find littered on the forest floor. They also eat rotting dead leaves and twigs. Be diligent to replace new rotten logs or leaves in your beetle larvae’s container if the old ones are all turned into compost.

Preparing Rotten Logs for Rhinoceros Beetle Larva

If you don’t live near forests, you can prepare your own grant’s rhinoceros beetle larva by speeding up the process of rotting logs. What you can do is to buy untreated firewood pieces and soak them in water for a couple of weeks. When the logs have absorbed enough water, freeze them in the snow or freezer for a couple of weeks or more. If liquid nitrogen is available, you can dip the log in for quick freezing – you’re done in few hours. Prepare your grant’s rhinoceros beetle larva feed before they hatch from eggs.

Grant’s Rhinoceros Beetle Pupa Stage

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After 18 months or so, you may observe your grant’s rhinoceros beetle larva scattering and staying still. If they no longer want to feed, they may be preparing to be pupae. Help them by putting each larva in individual 1 gallon containers half filled with soil. Let the beetle larva burrow itself into the soil to become pupa to emerge 2 months later as fully grown adult grant’s rhinoceros beetle.

If you raise your own grant’s rhinoceros beetle, you’re not only helping the species survive, you can even make a business out of it. You can sell the adult beetles to exotic pet stores from $25 to $50 each!

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