It is particularly ideal to feed them with beetle jelly since it has special nutrients that will make your insect more healthy however, pieces of bananas and watermelons are also popular choices among keepers. Tree sap, sweet fruits, and beetle jelly are great for them. The Japanese Rhinoceros Beetle enjoys eating sweet meals. This water dish shouldn’t be too deep to keep the JRB from falling inside and drowning. Water dishes aren’t necessary, but you may place one inside the enclosure if you want to be sure. However, it’s no problem if you don’t have access to one of these you can spray the enclosure with water twice a week just avoid pouring water directly over the beetles. Japanese stores sell a special beetle humidifier or water bottle that regularly sprays the enclosure’s soil. Decaying leaves, bark, and branches are great ways to make the tank more comfortable for it.Īlso, if you add small plants, it makes it easier for the soil to retain moisture, which is ideal for these tropical insects. The Japanese Rhinoceros Beetle feels comfortable in decorated medium-sized enclosures. Japanese pet stores sell these charcoal mixes, so it’s a well-known solution to control the mites. It’s an obnoxious problem that can be controlled by mixing charcoal in the substrate. Japanese Rhinoceros Beetles are known to have mites in them. This is the kind of soil it’s used to in the wild, so mixtures with peat moss will suit it best.Īs for the depth, two to three inches of substrate should be enough for these burrower beetles however, if the population inside a closure increases, the substrate may need to grow as well. The Japanese Rhinoceros Beetle needs a soft substrate that’s efficient at moisture retention. With such high humidity, ventilation is also important. It’s not uncommon to use humidifiers to reach these conditions, which are very important for the JRB since dry weather may be lethal for them. You should keep them in temperatures from 50☏ to 70☏, but it’s even more important to maintain high humidity ranging between 75% and 85%. Temperatures go from 44☏ in cold zones to 73☏ in warmer locations, and the humidity is as high as 77% to 88%. The Japanese Rhinoceros Beetles live in tropical and subtropical climates with high humidity. In these cases, you should push them gently forward to a new surface instead of pulling them, so they don’t hurt their legs. The only thing you should be careful with is when they get a strong hold of your hand or any other surface. It isn’t venomous, and even though they have mouths, they don’t bite humans. If you’re interested in a beetle you can handle, the JRB is a great choice. They’re most active during the night, and they spend most of their lives underground until they reach adulthood, when they only burrow during the day. The winner hopes to attract the attention of females, so it’s a bad idea to place male specimens in the same enclosure unless you want them to fight each other.īesides jousting, JRBs are peaceful beetles that represent no harm to humans. Behavior and TemperamentĪs most rhinoceros beetles do, the Japanese Rhinoceros Beetle practices a mating ritual consisting of jousting with its horns. Females can be found for around $5, while males range from $7 to $15, depending on where you get them. They’re also very easy to find in the wild since kids from Japan, Korea, Taiwan, and Western China will find plenty of them in a forest if they know where to look.īecause of their abundance, they’re very cheap to buy. Japanese Rhinoceros Beetles are very common, widespread, and not hard to breed. The kabutomushis have two main colors, dark brown and reddish-brown, but it’s not uncommon to see them with middle tones of that color palette. This is the appearance of males, as JRBs display dimorphism, and females don’t have the characteristic horns. The JRB isn’t an exception, with one long horn that splits into two points at the center of its head and a smaller horn curved over it. Rhinoceros beetles are large beetles with strong carapaces and long horns.
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