Reptoria

Domino cockroach (Therea bernhardti)

Domino cockroach (Therea bernhardti) in a terrarium

Invertebrates · Difficulty: Beginner

Key facts and care guidance for Domino cockroach (Therea bernhardti) (origin: India). Adult size around approx. 1.5–2.2 cm (females stockier). Life expectancy approx. 1–1.5 years. The values below are carefully researched guidance.

Short answers

Domino cockroach: How big does the enclosure need to be?

Approx. 30×20×20 cm or from ~10 l for a group (tightly closing).

Domino cockroach: What temperature does it need?

Daytime 22–28 °C (breeding at a constant ~24 °C), at night room temperature (20–22 °C).

Domino cockroach: Does it need UVB lighting?

UVB: No UVB needed.

Domino cockroach: How long do they live?

Life expectancy: approx. 1–1.5 years.

Domino cockroach: Is it suitable for beginners?

Yes – it is considered suitable for beginners (difficulty: Beginner).

Climate

Daytime temperature
22–28 °C (breeding at a constant ~24 °C)
Night temperature
room temperature (20–22 °C)
Basking spot
—
Humidity
50–60 % (slightly damp substrate)
UVB
No UVB needed

Enclosure

Minimum size
approx. 30×20×20 cm or from ~10 l for a group (tightly closing)
Substrate
Deciduous forest humus or coco humus with a layer of leaf litter (oak, beech) and rotten wood, about 10 cm deep (the oothecae are buried)

Feeding

Food
Fish flakes, silkworm pupae, bloodworms (protein) plus vegetables (courgette, pumpkin, carrot, melon) and lettuce
Feeding interval
fresh food 1–2×/week, dry food always available

Key facts

Adult size
approx. 1.5–2.2 cm (females stockier)
Life expectancy
approx. 1–1.5 years
Origin
India
Protection status
Not protected. Do not release it.
Brumation
None
Cohabitation
Colony or group keeping is usual and straightforward (sociable). Note: do NOT keep different Therea species together (hybridisation).

Notes

An attractive diurnal display cockroach (the domino roach), black with white dots. It lays oothecae. Robust and suitable for beginners. Some animals offered are a Therea "hybrid mix" – for the pure species, watch the origin.

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Related species

All species in the care wiki →

What you need to start

To keep Domino cockroach (Therea bernhardti) you typically need: a suitable enclosure (approx. 30×20×20 cm or from ~10 l for a group (tightly closing)), substrate (Deciduous forest humus or coco humus with a layer of leaf litter (oak, beech) and rotten wood, about 10 cm deep (the oothecae are buried)), 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: 25 September 2026 · Editor: Reptoria editorial team · Sources include: https://en.wikipedia.org/wiki/Therea_petiveriana, https://postpods.co.uk/blogs/articles-not-isopod-related/domino-cockroach-care-guide, https://www.thewildmartin.com/blog-roaches/therea-petiveriana-the-domino-roach

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).