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European rhinoceros beetle (Oryctes nasicornis)

European rhinoceros beetle (Oryctes nasicornis), typical appearance of the species

Invertebrates · Difficulty: Intermediate

Key facts and care guidance for European rhinoceros beetle (Oryctes nasicornis) (origin: Europe, North Africa, western and Central Asia). Adult size around approx. 2.5–4 cm (males up to ~4.7 cm with the horn). Life expectancy the beetle lives a few weeks to months; larval development takes 3–5 years. The values below are carefully researched guidance.

Short answers

European rhinoceros beetle: How big does the enclosure need to be?

Larvae: a container or tub with deep compost or mulch substrate; beetles: approx. 30×30×30 cm.

European rhinoceros beetle: What temperature does it need?

Daytime 20–26 °C, at night 16–20 °C.

European rhinoceros beetle: Does it need UVB lighting?

UVB: No UVB needed.

European rhinoceros beetle: How long do they live?

Life expectancy: the beetle lives a few weeks to months; larval development takes 3–5 years.

European rhinoceros beetle: Is it suitable for beginners?

Rather not – it is considered an intermediate species (difficulty: Intermediate).

Climate

Daytime temperature
20–26 °C
Night temperature
16–20 °C
Basking spot
—
Humidity
60–80 % (substrate evenly damp)
UVB
No UVB needed

Enclosure

Minimum size
larvae: a container or tub with deep compost or mulch substrate; beetles: approx. 30×30×30 cm
Substrate
Larvae: mature leaf compost or white-rot wood, bark mulch and humus-rich soil (30 cm or more deep), evenly damp; do not disturb the self-built pupal cocoon

Feeding

Food
Larvae: decaying wood, compost or leaf litter; the beetles barely feed (a little fruit or juice if anything)
Feeding interval
the larvae feed continuously from the substrate; keep it damp and top it up

Key facts

Adult size
approx. 2.5–4 cm (males up to ~4.7 cm with the horn)
Life expectancy
the beetle lives a few weeks to months; larval development takes 3–5 years
Origin
Europe, North Africa, western and Central Asia
Protection status
SPECIALLY PROTECTED in Germany (Species Protection Ordinance Annex 1, §44 of the Federal Nature Conservation Act): taking it from the wild, buying, selling and possessing wild-taken animals are prohibited. Keeping it is possible only with documented captive-bred animals and proof of origin – ask the authority when in doubt
Brumation
The larvae naturally overwinter cool in compost (a univoltine or multi-year cycle); no keeper-controlled brumation of the beetles is needed
Cohabitation
The larvae in compost usually get on communally (with plenty of substrate and space); the beetles are short-lived, so pair them for breeding. Note the legal protection status when keeping them singly

Notes

The legal status is the most important point – legal captive-bred animals only. Dose the moisture carefully when watering, as the pupae go mouldy quickly. A common mistake: collecting from the wild (illegal).

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Related species

All species in the care wiki →

What you need to start

To keep European rhinoceros beetle (Oryctes nasicornis) you typically need: a suitable enclosure (larvae: a container or tub with deep compost or mulch substrate; beetles: approx. 30×30×30 cm), substrate (Larvae: mature leaf compost or white-rot wood, bark mulch and humus-rich soil (30 cm or more deep), evenly damp; do not disturb the self-built pupal cocoon), a heat source with a thermostat, UVB lighting, thermometer and hygrometer, a water dish and hides. You will find equipment in the Reptoria marketplace.

The complete, interactive care database is in the Reptoria app.

Last updated: 9 October 2026 · Editor: Reptoria editorial team · Sources include: https://en.wikipedia.org/wiki/Oryctes, https://en.wikipedia.org/wiki/Oryctes_nasicornis

All values are non-binding guidance and do not replace expert advice. Research thoroughly from several sources before acquiring and keeping an animal, and observe the applicable law (species and animal protection in particular).