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Dicronorhina derbyana layardi

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Dicronorhina derbyana layardi

( Périguey, 1892 )

Kingdom: Animalia

Phylum: Arthropoda

Class: Insecta

Order: Coleoptera

Family: Scarabaeidae

Subfamily: Cetoniinae

Genus: Dicronorhina

Very beautiful green flower beetle with sometimes reddish reflections and striped with white bands on the pronotum and elytra. Of average size, it measures between 3.5 and 5 cm.

The larvae have the particularity of having hair.

The shells are made in the middle of the substrate and are not attached to the walls. They are not smooth because they are made with large elements of the substrate (or excrement for example). See photo below.

This species can be found in Southern Africa: mainly in Namibia, Tanzania and Zambia.

Difficulty of breeding
Easy/Moderately easy

Special features:

Easy / moderately easy breeding

Active during the day

The cycle is longer than most other species to start. Be careful of excess humidity for the substrate of the larvae (Risk of mortality) and the shells (Risk of malformation). Favor a substrate that is drier than usual.

What you might need:

01. Breeding

For larvae : Plastic boxes with ventilation. Provide a quantity of substrate adapted to the number of larvae.

For example, for 10 Dicronorhina derbyana layardi larvae: provide a box of at least 10L. At the L3 stage, it is possible to provide 1.5L per larva, in order to avoid renewing the substrate too often.

For the hulls : It is possible to leave the shell in the breeding box of the larval stage. Otherwise it can be transferred to another box. In all cases, the container must be properly ventilated.

For adults: Provide a terrarium adapted to the number of individuals. For 2/3 couples, provide a terrarium of approximately 50x40x50 (LxWxH) with ventilation on the lid. Also provide approximately 20cm of substrate minimum. Also provide branches for movement.


The ground should not be completely flat because the beetles that fall on their backs die quickly because they can no longer turn around. It is therefore very important to fill it with bark, stones or other materials and not to flatten the substrate.

Temperature: for optimal conditions 23/24°C but breeding possible between 20°C and 28°C.

Humidity:

For larvae: provide a very slightly damp/dry substrate.

During pupation: provide a slightly drier substrate.

For adults: Provide a very slightly damp substrate. If the terrarium is well ventilated, provide a little spray of water every 2 to 3 days.

Lighting: Classic lighting required for adults (bulb, spotlight, tube, etc.)

For larvae: Classic flower beetle substrate: decomposed and crushed oak, beech or possibly chestnut leaves. The larvae are saproxylophagous and feed on decomposing materials (wood, leaves). The larvae can appreciate a mixture of "classic" fine substrate with a coarser substrate. They will transform into shells more easily. To obtain larger imagos, it is possible to add 10% horse manure. (Be careful of mold development)

For adults: Fruits (mainly banana) or beetle jelly. Possible supplement with pollen. To be renewed as often as possible as soon as the food begins to deteriorate.

Incubation

ABOUT 1 week

Development

From 8 to 10 months

Nymphosis

2 months approximately

Imago lifespan

3 to 5 months

02. Please note

Sexing: The male has a straight horn at the end of its head. The female has no horn, has a flat head for "rummaging" in the substrate, and is smaller than the male.

Prolificacy/Reproduction: Average to high prolificacy if conditions are optimal. If conditions are good, it is possible to obtain 40 - 50 larvae per female or even more in some cases. The first spawning occurs 2 to 3 weeks after emerging from the shell.

Cannibalism: Absent

Dicronorhina derbyana layardi

€3.50

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