Grall's flower beetle (Eudicella gralli)
Invertebrates · Difficulty: Beginner
Key facts and care guidance for Grall's flower beetle (Eudicella gralli) (origin: East Africa). Adult size around 3–4 cm. Life expectancy larva 6–9 months, beetle 3–6 months. The values below are carefully researched guidance.
Short answers
Grall's flower beetle: How big does the enclosure need to be?
30×20×25 cm.
Grall's flower beetle: What temperature does it need?
Daytime 23–27 °C, basking spot No basking spot, at night 20–23 °C.
Grall's flower beetle: Does it need UVB lighting?
UVB: Not required.
Grall's flower beetle: How long do they live?
Life expectancy: larva 6–9 months, beetle 3–6 months.
Grall's flower beetle: Is it suitable for beginners?
Yes – it is considered suitable for beginners (difficulty: Beginner).
Climate
- Daytime temperature
- 23–27 °C
- Night temperature
- 20–23 °C
- Basking spot
- No basking spot
- Humidity
- 65–80 %
- UVB
- Not required
Enclosure
- Minimum size
- 30×20×25 cm
- Substrate
- Larvae: flake soil or leaf mould 15–20 cm; beetles: mould plus branches
Feeding
- Food
- Larvae: mould; beetles: fruit, beetle jelly
- Feeding interval
- beetles every 2–3 days
Key facts
- Adult size
- 3–4 cm
- Life expectancy
- larva 6–9 months, beetle 3–6 months
- Origin
- East Africa
- Protection status
- Not listed under CITES
- Brumation
- None
- Cohabitation
- Keep adult beetles in a group (pairs, e.g. 1 male to 2 females); rear larvae individually instead. Larvae become strongly cannibalistic when food or space is short and will eat each other; as adult beetles, several pairs get along in a sufficiently large enclosure.
Notes
A good way into beetle breeding: brilliant green with a yellow stripe, straightforward and quick through the cycle.
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Related species
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- Goliath beetle (Goliathus goliatus) – Expert
- Hercules beetle (Dynastes hercules) – Intermediate
- European stag beetle (Lucanus cervus) – Expert
- Japanese rhinoceros beetle (Trypoxylus dichotomus) – Beginner
What you need to start
To keep Grall's flower beetle (Eudicella gralli) you typically need: a suitable enclosure (30×20×25 cm), substrate (Larvae: flake soil or leaf mould 15–20 cm; beetles: mould plus branches), a heat source with a thermostat, 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/Eudicella_gralli, https://www.six-pattes.com/en/flower-beetle/337-eudicella-gralli-hubini.html
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).