Giant Flower Beetle (Mecynorrhina torquata)
The Giant Flower Beetle (Mecynorrhina torquata) is a large flower beetle native to Africa, prized for its glossy metallic body in shades of green and bronze. Males sport a striking forked horn on the head, and the species is a strong, confident flier, giving keepers a chance to watch it take to the air. Adults live for about 3 to 6 months, on the shorter side for a beetle, while the larval stage stretches 8 to 12 months, leaving plenty of time to watch growth on substrate. Considered a species for intermediate keepers, it suits those with some prior experience managing temperature and humidity.
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Giant Flower Beetle (Mecynorrhina torquata) key facts
- Care level
- Intermediate
- Lifespan
- Adult 3-6 months / Larva 8-12 months
- Size
- 50-85mm
- Temperature
- 22〜28℃
- Diet
- Jelly, banana (adult) / Fermented mat + leaf litter (larva)
- Enclosure
- Large case. Secure lid as they fly
- Temperature & Humidity
- Maintain 22-28°C. Keep the substrate moist to avoid dryness, but also ensure ventilation so it does not get stuffy.
- Diet & Feeding
- Feed adults beetle jelly and fruits such as banana. Adults live about 3-6 months and eat well, so keep jelly available at all times.
- Larva Care
- Raise in mix of fermented mat and leaf litter
- Breeding & Egg-laying
- Use firmly packed fermented substrate for egg laying. The larval period is 8-12 months, and both adults and larvae are easy to keep, making breeding achievable.
- Notes
- Strong fliers. Be careful of accidental release indoors
About Giant Flower Beetle (Mecynorrhina torquata)
The Giant Flower Beetle is a large African species with a green-to-bronze metallic sheen and a forked horn on males. Suited to intermediate keepers; adults live 3-6 months, larvae 8-12 months, adult size 50-85mm.
7 things to know before welcoming a Giant Flower Beetle (Mecynorrhina torquata)
1Short Adult Lifespan
Adults are active for roughly 3 to 6 months, shorter than many other large beetles. Since their time as adults is limited, it's worth observing and enjoying them closely from the moment you bring one home.
2Long Larval Stage
The larval stage lasts about 8 to 12 months, much longer than adulthood. With a properly prepared fermented substrate, larval rearing is considered relatively easy, making this a good beetle for a patient, long-term keeping style.
3Males Have a Forked Horn
Males carry a distinctive forked horn on the head, while females do not. Horn development varies between individuals, so it's worth checking sex and horn shape carefully when choosing one.
4Strong, Confident Flier
One of the species' highlights is how powerfully it flies. Give it an enclosure with enough height and depth so it has room to move without colliding with the sides when it takes off.
5Needs Stable Temperature & Humidity
As an African species, it does best when kept away from extreme cold or dryness. This is generally considered a species for intermediate keepers who can monitor and adjust temperature and humidity as needed.
6Feeds Mainly on Insect Jelly
Adults are typically fed insect jelly. Replace the jelly dish every day or every few days to keep food fresh and prevent it from drying out or spoiling.
7Check Activity Before Bringing Home
When choosing an individual, check that the legs and antennae are intact and that it moves actively. Since the adult stage only lasts 3 to 6 months, keep in mind that the timing of your purchase affects how much active time you'll have together.
Frequently asked questions about Giant Flower Beetle (Mecynorrhina torquata)
- Q.How long do adults live?
- A.Adults are active for about 3 to 6 months, notably shorter than the 8- to 12-month larval stage. It's a good idea to enjoy observing them closely during that window after bringing one home.
- Q.Is raising the larvae difficult?
- A.Larval rearing is considered relatively easy. With a suitable fermented substrate, you can watch them grow steadily over 8 to 12 months.
- Q.How can I tell males from females?
- A.The main difference is the forked horn on the male's head, which females lack. Horn size and shape can vary between individual males.
- Q.How big do adults get?
- A.Adult size ranges from about 50 to 85mm, with some variation between individuals.
- Q.Are there any legal restrictions on this species?
- A.Mecynorrhina torquata is not subject to CITES.
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