Horned Beetle

These beetles are herbivores but have an intimidating appearance because of the horn-like projection on their heads. However, they are entirely harmless to humans, as they don’t sting or bite.
Horned Beetle Scientific Classification
Horned Beetle Physical Characteristics
Grey, Black, Green
1 to 2 years
0.48 to 0.96 ounces
Horned Beetle Distribition

The horned beetle passes several names, like rhinoceros, elephant, and atlas beetle. They are big insects with a really special form.

They contain around 1,500 species and 225 category, yet one of the most preferred species are the Japanese rhinoceros beetle, atlas beetle, ox beetle, coconut beetle, and Eastern Hercules beetle.

The horned beetle is just one of the biggest of all beetles discovered all over the world; they can get to sizes of inches, which has to do with the dimension of a typical human hand.

These beetles are herbivores yet have a daunting appearance due to the horn- like estimate on their heads. Nonetheless, they are completely safe to people, as they do not hurting or attack.

Actually, they have 2 horn- like forecasts, one on the head and the various other placed in the facility of the thorax, which contours behind the head.

These horns take place just in males since they utilize them for contesting the breeding period or for excavating.

Horned Beetle Species, Kind, and Scientific Name

There are around 300 species of horned beetles, yet one of the most preferred consist of:

  • Japanese rhinoceros beetle
  • Atlas beetle
  • Ox beetle
  • Coconut beetle
  • Eastern Hercules beetle

Horned beetles come from the order Coleoptera, which contains around 350,000 species. Actually, there are almost 30,000 species in the USA alone, and this number continuously enhances since brand-new species are being discovered by taxonomists.

The beetles in this order differ in dimension, from hardly noticeable like the plume- winged beetle to very big like the horned beetles. Nonetheless, the biggest recognized lengthy- horned beetle is the titan beetle ( Titanus giganteus), which is belonging to South America.

These beetles come from the family Scarabaeidae, with over 1000 species in The United States and Canada alone. While these relative vary in dimension, their most distinct qualities are their 5 fractional tarsi, oblong bodies, and lamellate antennae. Their main food resources are plants, blossoms, and dung.

Appearance: Exactly How To Determine the Horned Beetle

The horned beetle differs in shade from environment-friendly, black, and grey. Additionally,  they have 2 horn- like forecasts on their heads, and their bodies are covered in soft hair.

The larvae or grubs are white with a red head and can expand to 4 inches long if properly nurtured. These beetles are just one of the biggest in the family, Scarabaeidae, and can determine 6 inches long when totally expanded and consider in between 0.48 to 0.96 ounces.

Environment: Where to Discover the Horned Beetle

Horned beetles take place throughout the globe, besides Antarctica. They like atmospheres with ground cover, plants, and dropped logs, which supply them with security from predators.

Diet: What Do Horned Beetles Eat?

The horned beetle is a herbivore, and grownups’ diet plans contain nectar, fruit, and sap. Nonetheless, the larvae just feed upon plant issue.

Life Process of the Horned Beetle

To reach such a plus size, horned beetles need to go via a lengthy life process, that includes numerous phases of advancement. Lots of people maintain these beetles and pets, and it is important they recognize each phase to appropriately look after these animals.

Initial Stage

There constantly requires to be an appropriate area for egg laying. As an example, in locations with numerous male horned beetles, they will certainly deal with utilizing their horns, and the victor obtains the female. After mating happens, the females lay their eggs beneath the dirt, decaying plants, or greenery.

So, to resemble their all-natural environments, the container requires to consist of a minimum of 8 inches of garden compost or topsoil. Additionally, an included layer of damp substratum under the dirt is helpful for ideal living problems.

Female horned beetles can injure to 50 eggs simultaneously, and they normally take 3 to 4 weeks to hatch out. As soon as the eggs hatch out in bondage, the grownups and larvae need to be divided.

2nd Phase

Once the eggs hatch out, they remain in their grub or larvae phase. Throughout the 2nd phase, the grubs resemble insect larvae or maggots. Yet, throughout each molt, they will certainly expand larger.

This procedure is truly sluggish, and relying on the species and sex of the larvae, they might not go into the following phase for a year to 18 months.

3rd Phase

Throughout the 3rd phase, the larvae will certainly tunnel themselves right into a chamber in the dirt, where they experience their last molt. They will certainly stay in this chamber for the following couple of months and do not call for added nourishment.

After the last molt, the beetle will certainly remain in the chamber till its exoskeleton totally solidifies. Ultimately, after totally creating, the horned beetle arises from its chamber. The period of the 3rd phase differs relying on the species and the sex yet can vary from a couple of months to 18 months.

4th Phase

Upon arising, horned beetles will right away begin reproducing. In their all-natural environments, grownups will certainly feed off tree sap; nevertheless, in bondage, proprietors can feed them:

  • Apples
  • Sprinkled- down syrup
  • Bananas
  • Packaged beetle jelly

Grownup horned beetles have a typical life expectancy of 1 to 2 years.

Avoidance: Exactly How to Remove the Horned Beetle

Horned beetles generally ruin coconut and oil hands. They do this by burning out right into the center of the crown, wounding the young expanding cells. Additionally, they feed upon the emanated sap.

As an example, they punctured the creating leaves as they develop passages. This goes undetected till the fallen leaves expand out and unravel. After that, the devastation looks like little V- designed cuts or openings via the fallen leave’s midrib.

To avoid these beetles from triggering damage, any kind of worn out logs need to be cut and shed. The stumps should be reduced as near to the dirt surface area as feasible.

Additionally, many individuals make use of a connected cable to remove and eliminate any kind of horned beetles feeding in coconut trees.

Among the very best methods to remove horned beetle larvae is helpful nematodes like:

  • Caterpillars
  • Cutworms
  • Crown borers
  • Grubs
  • Corn rootworms
  • Crane flies
  • Thrips
  • Fungi gnats

These animals will certainly choose and eliminate the larvae and any kind of dirt- living in insects. You can get them on a sponge, which you take in water, area in a spray container and spray the plagued location. Gradually, the nematodes will increase and remain to eliminate the larvae.


  1. Pets on Mom, Available here: https://animals.mom.com/rhinoceros-beetle-life-cycle-5031024.html
  2. Wikipedia, Available here: https://en.wikipedia.org/wiki/Dynastinae
  3. Kidadl, Available here: https://kidadl.com/facts/animals/rhinoceros-beetle-facts
  4. The National Wildlife Federation, Available here: https://www.nwf.org/Educational-Resources/Wildlife-Guide/Invertebrates/Rhinoceros-Beetles

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