Insect Encyclopedia — 75 Species Directory
Encyclopedia of popular beetles and stag beetles with care guides, traits, and breeding methods.
Featured Insect
Showing 3 of 75 species

Didier's Stag Beetle
Rhaetulus didieri
A species of Rhaetulus stag beetle distributed in Vietnam and southern China. Features uniquely shaped mandibles reminiscent of deer antlers, with a black glossy body. Relatively easy to handle and popular as an entry-level exotic stag beetle.
© Didier Descouens / CC BY-SA 4.0Five-horned Beetle
Eupatorus gracilicornis
Unique beetle with five horns on head and thorax. Southeast Asian origin. Relatively small and easy to keep.

Sabii Beetle
Allomyrina pfeifferi
A beetle from Southeast Asia whose rusty (sabi) body color is the origin of its name. Same genus as the Japanese rhinoceros beetle, sharing similar keeping methods, making it an easy-to-keep exotic beetle even for beginners. Horn shape is similar to the Japanese species.
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Insect FAQ
- How much do beetles cost?
- Japanese rhinoceros beetles cost 300-1,000 yen, giant stag beetles 2,000-30,000 yen, and Hercules beetles 5,000-50,000+ yen depending on species and size.
- Can beginners start keeping insects?
- Japanese rhinoceros beetles and saw stag beetles are easy to keep and great for beginners. A basic container and beetle jelly from a 100-yen shop is all you need to start.
- How long do beetles live?
- Adult rhinoceros beetles live 2-3 months, saw stag beetles 3-6 months. Giant stag beetles can live 2-5 years as adults, offering years of enjoyment.
- What are the benefits of raising larvae?
- Larvae are cheaper than adults and you get to experience the thrill of eclosion. Raising large specimens using fungus bottles or substrate is rewarding and educational.
- What should I check when buying insects?
- Check that tarsi (feet) are intact, the insect is active, and there are no mites. Choose specimens with documented size and lineage information.