Parryi Stag Beetle
The Parryi Stag Beetle is a large stag beetle native to a wide range across South and Southeast Asia, including India, Myanmar, and Thailand. Its defining feature is the long, forked mandible that gives the species its name — among the largest in its genus, with adults typically growing to 40–100mm. Its dark, glossy body paired with the powerful shape of its mandibles gives it an almost sculptural beauty that has long made it a favorite among beetle enthusiasts. Its temperament is relatively calm, and it tends to stay still in shaded spots during the day, which makes it easy to observe and care for. While generally considered a species better suited to keepers with some experience, it rewards attentive care with a beetle that's a pleasure to keep for the long term.
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Parryi Stag Beetle key facts
- Care level
- Intermediate
- Lifespan
- Adult 6mo-1yr
- Size
- 40-100mm
- Temperature
- 20〜27℃
- Diet
- Tree sap, beetle jelly
- Larval Care
- Raise in fermented mat or fungal bottle
- Notes
- Popular species that grows particularly large among two-pronged types
- Temperature & Humidity
- Keep at 20-27°C. Avoid extreme heat or cold and hold a stable temperature year-round.
- Housing
- Set up a small to medium case with a breeding log and fermented substrate. The long, strong mandibles can pinch, so handle with care.
- Diet & Feeding
- Feed adults beetle jelly. Raising larvae in kinshi bottles lets you aim for large individuals.
- Breeding & Egg-laying
- Laying in a breeding log is the norm. Bury the log in substrate and split it once the larvae have grown somewhat.
About Parryi Stag Beetle
A large stag beetle native to India, Myanmar, and Thailand, prized for its long forked mandibles and glossy body. Adults reach 40–100mm, live 6 months to a year as adults, and suit keepers with some experience.
7 things to know before welcoming a Parryi Stag Beetle
1Best Suited to Intermediate Keepers
The Parryi Stag Beetle is generally considered a species for keepers with some experience, since it needs attentive temperature and humidity management. Avoid extreme heat or dryness and keep it in a cool, well-ventilated spot to help it thrive over time. If you're new to beetle keeping, it can help to start with a hardier species first before taking this one on.
2Handle the Mandibles with Care
The long, forked mandibles that give this beetle its name look impressive, but a pinch can be surprisingly painful, so avoid grabbing carelessly and mind where you hold it. Males in particular have strong mandibles, so stay calm and deliberate when rearranging the enclosure or moving an individual.
3Adult Lifespan of 6 Months to a Year
As adults, they typically live for about six months to a year, and the beetle spends a long time developing before reaching that stage. Since an adult's active period is limited, it helps to go in with realistic expectations and simply enjoy watching it day to day.
4Size Varies Between Individuals
Adult size ranges from 40 to 100mm, and even within the same species, individuals can vary quite a bit depending on how they were raised as larvae. Larger individuals tend to have more impressive mandibles, but body shape and the sheen of the exoskeleton are also worth considering when choosing one.
5Males Can Be Territorial with Each Other
Males often fight with their mandibles over territory, so it's standard practice to house multiple beetles in separate cases. Even pairing with a female doesn't guarantee compatibility, so keep an eye on how they interact.
6Basic Diet and Enclosure Setup
Commercial insect jelly is the typical staple food, kept in an enclosure furnished with branches or climbing wood. Replace the substrate promptly if it dries out or gets soiled, since a clean environment supports the beetle's health.
7Supplies to Have Ready Before Bringing One Home
Before your beetle arrives, it helps to have the basics on hand: an enclosure, insect substrate, insect jelly, and a branch or piece of climbing wood. Choose a spot away from direct sunlight with stable temperatures so you can settle the beetle into a calm environment right away.
Frequently asked questions about Parryi Stag Beetle
- Q.Can beginners keep a Parryi Stag Beetle?
- A.It's generally considered a species suited to keepers with some experience, so it helps to build confidence with beetle care first. That said, beginners who pay attention to temperature and humidity can enjoy keeping one by following the basics.
- Q.How big do they get?
- A.Adults range from 40 to 100mm, with size varying between individuals depending on how they were raised. Larger individuals also tend to have more impressive mandibles.
- Q.How long do they live?
- A.As adults, they typically live for about six months to a year. This can vary somewhat depending on the care they receive.
- Q.Is it okay to keep more than one together?
- A.Males often fight using their mandibles, so it's best to house them in separate enclosures. Even with a female, compatibility isn't guaranteed, so watch how they interact and adjust as needed.
- Q.Are there any legal restrictions on keeping or importing this species?
- A.The Parryi Stag Beetle is not subject to CITES. This is a helpful fact to know when considering bringing one home.
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Care difficulty, lifespan, size and diet — all basics covered.
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