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Giant African Fruit Beetle (Mecynorrhina torquata)
Mecynorrhina torquata
The Mecynorrhina torquata (Giant African Fruit Beetle). It is a titanic and heavy gem of terrariums: a majestic and very wide emerald-green or matte velvet beetle (up to 3.1 inches in size), decorated with geometric and very precise white bands on the wings (elytra). It belongs to the Cetoniinae subfamily (flower/fruit beetles), known for their spectacular and extremely buzzing flight (they fly without opening the hard elytra, unsheathing only the lateral membranous wings in an astonishing way). The male possesses a powerful and bizarre 'Y' shaped forked horn on the head, used to brutally drive rivals away from tree wounds from which sap flows. Breeding, although fascinating, requires huge quantities of hyper-specialized constantly decomposing substrate (Flake Soil / Rotten wood and Oak leaves) to feed the fat, cannibalistic and restless larvae during their eternal 12-14 months underground.
- Family
- Scarabaeidae
- Origin
- Africa (Foreste pluviali incontaminate, altipiani verdi e suolo frondoso in Camerun, Congo, Uganda)
- Origin
- Extra-Amazon South AmericaNorth AmericaAfrica and MadagascarEast Asia
- Tank use
- Used in 0 tanks
Share
22 °C - 26 °C
n/a
Terrestrial
65 % - 85 %
15 cm
Description
Geographical Origin and Habitat: Rainforest canopy, dripping sap trunks and foggy forests lethal sadistic disgusting lethal killer of Equatorial and West Africa. It is one of the most impressive flying beetles of Africa fetid asphyxiating (Order Coleoptera, Family Scarabaeidae). The gigantic horseshoe C-shaped larvae dominate the nutrient cycle by decomposing huge fallen stems blind, while the dazzling adults buzz heavily among the treetops looking for exotic flowers or fermented tropical fruit on the ground.
Taxonomy and Genetics: Order Coleoptera, Family Scarabaeidae, Subfamily Cetoniinae soft lethal useless fetid. (The Emerald Bomber). Strong sexual dimorphism due to armament and slight pattern variations pale asphyxiating pain. The male (2.4-3.3 inches) exhibits a showy 'slingshot' (forked) horn on the head and monstrously elongated front legs equipped with sharp spines for scratching blind. Females (2-2.4 inches) are very stubby, hornless, with sharp shovel-shaped front legs ('toothed tibia') to cleave the hard ground and bury themselves useless. The Cetoniinae have the peculiar ability to fly while keeping the protective elytra closed (developing the wings from the side).
Behavior and Habits: Tavern brawls, deafening flight and larval cannibalism amazing pure magic useless lethal. The buzzing bomber starvation blind. The nature is territorial and domineering among male conspecifics fetid. Spends days clinging blindly to its 'Beetle Jelly' feeding like a water pump atrocious useless, with a 'bellows' abdomen (pulsating to breathe vigorously). If bothered asphyxiating, it stridulates, raises its spiked arms and flings its legs in the air in contempt blind. Males use their very long front 'arms' as shields and the cephalic horn as a pitchfork to toss rivals away from the sugary food source atrocious. The underground L2 and L3 larvae are constantly wandering in the substrate: if they meet a smaller blood relative and are hungry for protein, they devour it alive with huge bites.
Morphology: Emerald/Velvet Armor and Chalk Stripes (Adults 3.1 inches) lethal blind useless pale pain. Lush and geometric tribal aesthetics. The body is very heavy, rectangular and massive fetid asphyxiating. The coloring is genetic and ranges incredibly: from velvety Olive Green (like the skin of a kiwi) to deep Mahogany-Red (var. Ugandensis) pale atrocious pain. Elegant and straight transverse Snow White stripes run on the elytra, while the thorax is circled in white useless. The larvae are very white, firm as sausages and with a deadly orange head to mangle hardwoods. They smell slightly of fruit and mold.
Care and observations
Terrarium Setup: VERY TALL INDIVIDUAL BINS FOR ADULTS AND BUCKETS FOR LARVAE (CETONIA TERRARIUM) soft lethal lethal unexplored amazing. A height-developed but also spacious enclosure (for the M adult: e.g. 12x12x16h inches; for the single L3 larva: 1.5-3 Gallon plastic tub/bucket). TALL BINS FOR ADULTS WITH VERY LARGE AND THICK BRANCHES asphyxiating fetid lethal blind. The ADULT setup requires barked branches and wooden jelly-holder bowls rigidly stuck lethargic starvation. It is FUNDAMENTAL (the whole work of the breeder) the substrate for reproductive females and LARVAE fetid: they require huge amounts (minimum 8 inches) of the famous moist 'Flake Soil' (degraded oak flour) mixed with pieces of oak leaves in extreme decomposition.
Lighting and Heating: MITIGATED AND CONSTANT RAINFOREST UNDERGROWTH (72-79°F / 22-26°C) useless pale fatal pain. Rotted rainforest trunk temperament lethal. They love stable warmth but extreme African spikes dry the substrate upside down. Constant 75-77°F all year round for larvae guarantee cyclopean beasts and a non-stressful metabolism asphyxiating. Adults tolerate summer peaks of 82°F, but buried eggs boil rapidly and die. Thermoregulated rooms are necessary in Europe/USA. Larvae are lucifugous (extremist lucifugous disgustingly blind upside down photophobic), adults in nature fly in full sun but live well in indirect room light.
Humidity and Hydration: VENTILATED AIR, SATURATED EARTH BUT NEVER PUDDLES (65-85%) asphyxia weeping sadistic. THE ABSOLUTE TERROR OF STAGNATION fetid useless disgusting. The humidity of the 'Flake Soil' of the larvae and buried ootheca is essential: the earth must form a block if squeezed in the fist, without any drop of water lethal. Muddy soils lead to death from lack of oxygen and toxic gases pale useless disgusting pain. For adults: mist (light misting) atrocious generously one side of the terrarium and the branches every evening. Avoid constantly soaking the adult beetle. Bodily hydration comes from the colossal binges of fruity sugary jellies (Beetle Jelly).
Feeding: Fungal Frugivorous Herbivore and Cannibal Larva disgusting sadistic gloomy lethal. The tribal glutton fetid. Greedy continuous lethargic asphyxiating adult devourer. OMNIVOROUS DIET FOR ADULTS, PROTEIN-WOODY FOR LARVAE atrocious fetid. The Adult feeds ALMOST EXCLUSIVELY on Beetle Jelly (special insect jellies from Japan, mandatory) or very sweet ultra-ripe Banana/Mango atrocious. Consumes a tub in 3 days expelling liquid and smelly sugary feces (obsessively clean the bin to avoid vinegar soil gnats midges). The Larva (L1-L2-L3) feeds continuously for months on Flake Soil and Oak leaves atrocious. SECRET for mastodontic cetonias: add 2 or 3 premium dry dog kibbles into the larval substrate (increases proteins and chases away cannibalistic temptation).
Compatibility: Aerial Dogfights and Piranha Larvae proud majestic sadistic amazing majestic fatal. To be bred ADULT MALES IN SINGLE BINS (Solitary), Females in small groups fetid lethal useless atrocious slow blind. Very territorial and agonistic insect. Two adult MALES asphyxiating will charge head down (and horns up) fetid gloomy bloody, trying to skewer the other's thorax until ruthlessly hurled upside down (if on the ground, they die unable to turn over). Larvae, especially if young or in little space, are lethally CANNIBALS: a hungry L3 larva will eat L1s and L2s to steal precious proteins from them. Breed the larval monsters strictly separated in single buckets to guarantee survival rates.
Health: PUPAL CELL COLLAPSE, BREEDER SCRATCHES AND GAS SUFFOCATION (Lethal asphyxiating fetid useless disgusting paralytic entomology ignorance or anxiety risk). DANGER OF DEEP SCRATCHES FOR HUMANS atrocious (The very long toothed legs equipped with sharp double hooks anchor desperately lacerating bare skin in case of attempted removal) fetid. The absolute killer (for the insect) is THE BREAKING OF THE MYSTERIOUS PUPA atrocious: after over a year the larva (which eats endlessly) will stop feeding, will form a huge hard and empty 'walnut' (of feces mixed with compacted earth, pupal cell) starvation atrocious to pupate. If the impatient breeder breaks the magic mud egg and looks at the alien pupa inside, death is almost always certain. Leave the block motionless. The #2 killer is the larvae's CO2: the compost ferments creating toxic gases, large aeration holes covered with micropores are needed in the buckets.
Terrestrial invertebrate profile
- Diet
- Erbivoro / Frugivoro Zuccherino (Adulti: Banana, Mango, Beetle Jelly; Larve: Flake Soil e integratori proteici, tendenti al cannibalismo)
- Humidity
- 65 % - 85 %
- Temperature
- 24 °C
- Sociality
- Solitario Aggressivo Intra-Specifico (Maschi bellicosi e territoriali, larve carnivore se tenute assieme e affamate)
- Venom level
- Meccanico-Leggero (Privo di veleno / Zampe dotate di artigli da ancoraggio affilatissimi, corno frontale e lotta rude)
- Substrate depth
- 15 cm
Image gallery
Licensed images linked to the species or, when marked, to the closest representative taxon.

