Leuthner's Shining Stag Beetle

Leuthner's Shining Stag Beetle key facts

Care level

Advanced

Lifespan

A few months as an adult

Size

Captive record 59.6mm, wild record 78.3mm

Diet

Adults take fermented sap of broadleaf trees and beetle jelly; larvae eat humus close to soil

Temperature & Humidity

Odontolabis adults and larvae alike tolerate cold poorly and are said to be unable to survive a winter on mainland Japan or further north. Do not let the substrate dry out.

Breeding & Egg-laying

With a captive record of 59.6 mm against a wild record of 78.3 mm, the way to finish large individuals has not been worked out. The larvae eat humus close to soil, so the usual substrates for the genus apply, spent substrate mixed with the remains of mycelium or nitrogen-rich rhinoceros-beetle substrate, with red-rotted flake worth trying if no eggs are obtained.

Cohabitation

Male Odontolabis are for the most part short-tempered and combative, and a male will sometimes kill a female he does not take to. Several are never kept together and each beetle is housed alone. The larvae too hold their chamber in the humus as territory, attacking and sometimes eating intruders, so they are reared separately.

Lifespan & Rearing Period

For the genus, one to two years pass between hatching and pupation and the adults live a few months. Beetles that have been active for about a month and a half are said to start losing tarsi and antennal segments to necrosis at an increasing rate.

Health & Notes

It occurs on Borneo alongside the closely related O. datukpauli, which some treat as a subspecies of it, so beetles with vague locality or species labels should not be mixed in. Importing live Scarabaeoidea requires the species identification certificate. Odontolabis larvae compete strongly with other species, so the beetles must never be released or abandoned outdoors.

About Leuthner's Shining Stag Beetle

An overview of Leuthner's Shining Stag Beetle from Borneo, covering its arcing mandibles, husbandry difficulty, and key points to know before bringing one home.

7 things to know before welcoming a Leuthner's Shining Stag Beetle

1. 1Best For Experienced Keepers

   Husbandry information on Leuthner's Shining Stag Beetle is limited, and temperature and humidity need careful attention, so this species is best suited to experienced keepers. It's a good idea to have some general stag beetle keeping experience before taking one on.

2. 2A Short Adult Lifespan

   Adults are typically active for only a few months. Since that window is limited, it's worth keeping notes on daily changes and taking the time to appreciate each stage of its life.

3. 3Distinctive Arcing Mandibles

   Males have mandibles that curve in a gentle arc, lined on the inside with a row of fine, evenly spaced teeth. Comparing the subtle differences in mandible shape between individuals is part of the appeal of keeping this species.

4. 4Notable Size Variation

   The largest captive-bred specimen on record measures 59.6mm, well short of the 78.3mm wild record. Larval temperature and nutrition can have a major effect on the adult size a beetle grows to.

5. 5Recreating Borneo's Climate

   Since this species is native to Borneo, it helps to keep temperature and humidity stable rather than letting them swing widely. Choose a spot away from direct sunlight and sudden temperature changes for the enclosure.

6. 6Substrate and Breeding Setup

   Egg-laying and larval rearing call for a well-chosen fermented substrate and breeding wood. Since documented examples for this exact species are scarce, it helps to look at care reports for other Shining Stag Beetles as a general reference while setting up carefully.

7. 7Getting Ready Before Arrival

   Before bringing one home, prepare the basics such as an enclosure, substrate, and a feeding station, and make sure the spot you'll keep it in has a stable temperature. Give it some quiet time to settle into its new surroundings after arrival.

Frequently asked questions about Leuthner's Shining Stag Beetle

Q.Is this species suitable for beginners?

A.This species is generally considered one for experienced keepers. Documented care information is limited and temperature and humidity require careful attention, so it's best approached after you already have some stag beetle keeping experience.

Q.How long can I expect to keep one?

A.Adults are typically active for only a few months. It helps to plan ahead for the full process, including the larval stage, before taking one on.

Q.How large does this species grow?

A.The largest captive-bred specimen on record measures 59.6mm, compared to a 78.3mm wild record. Adult size in captivity can vary quite a bit depending on the conditions during the larval stage.

Q.What's distinctive about its mandibles?

A.Males have mandibles that curve in a gentle arc, lined on the inside with a row of fine, evenly spaced teeth. The exact curve and tooth arrangement can vary somewhat from one individual to another.

Q.Do males and females differ in mandible size?

A.Yes, males have large, well-developed mandibles, while females have smaller, simpler ones by comparison. This kind of size difference between the sexes is common across stag beetles in general.

Useful tools for Leuthner's Shining Stag Beetle care

Learn more about Leuthner's Shining Stag Beetle in the encyclopedia

More in this category