Passerini's Flower Beetle

Passerini's Flower Beetle key facts

Care level

Intermediate

Lifespan

Adults 3-6 months

Diet

Adults take fruit and beetle jelly; larvae feed on a leaf-based substrate with added protein

Temperature & Humidity

Slightly drier leaf litter is said to give good results for laying, so the point is to avoid keeping it too wet.

Breeding & Egg-laying

Females lay in ordinary flower-beetle substrate. The larvae are strongly cannibalistic and must be separated one per container as soon as they hatch. Plain substrate yields only small adults, so protein such as silkworm powder or casein is added when large specimens are wanted. Adding larvae of non-cannibalistic species as feeders is described as the method least likely to bring mites or mould.

Cohabitation

Larvae must be reared singly. Adult males also fight, so keep them apart except for pairing.

Lifespan & Rearing Period

The subspecies nigricans appears to have been lost from European breeding stock in the late 1990s, so maintaining a line is not straightforward.

Health & Notes

Protein given to the larvae easily brings mould and mites, so remove anything uneaten. Importing live stock requires the species identification certificate demanded for Scarabaeoidea. Several subspecies exist, so do not cross beetles from different localities.

About Passerini's Flower Beetle

An African flower beetle with a cream pronotum, black stripe, and reddish-brown spotted elytra. Suited to intermediate keepers — the larvae are highly cannibalistic and must be reared separately from hatching.

7 things to know before welcoming a Passerini's Flower Beetle

1. 1Separate larvae at hatching

   The larvae of Passerini's Flower Beetle are known for extremely strong cannibalistic tendencies. As soon as eggs hatch, move each larva into its own separate container rather than keeping them together. Housing multiple larvae in one enclosure is likely to end badly.

2. 2Suited to intermediate keepers

   This species is rated suitable for intermediate keepers. Beyond basic substrate and temperature management, the labor-intensive step of rearing larvae individually means some prior insect-keeping experience is recommended.

3. 3Cream and black contrast

   The biggest visual draw of this beetle is its cream-colored pronotum marked with a bold black stripe, paired with black elytra scattered with round, reddish-brown spots. The placement and shade of these spots vary between individuals, making close observation part of the fun.

4. 4Native to Africa

   Passerini's Flower Beetle is native to the African continent. When setting up an enclosure, aim to replicate temperature and humidity conditions that reflect its native climate.

5. 5Prepare multiple containers

   Since larvae must be separated individually, it helps to have several small containers ready in advance, sized to the number of eggs you expect to hatch. Plan for different enclosure sizes and care routines for adults versus larvae.

6. 6Feeds on flowers and sap

   As adults, these beetles are drawn to flowers and tree sap in the wild. In captivity, feeding is typically based on insect jelly, and it's important to monitor how much they're eating as part of daily care.

7. 7Watch for health changes

   Beetles can be hard to read when something is wrong. Keep an eye on subtle changes like sluggish movement or reduced interest in food, and review your husbandry setup promptly if something seems off.

Frequently asked questions about Passerini's Flower Beetle

Q.Why do the larvae need to be kept separately?

A.Because the larvae of this species have an unusually strong tendency toward cannibalism. Housing several together greatly increases the risk, so it's recommended to separate each larva into its own container right after hatching.

Q.Can beginners keep this species?

A.This species is generally considered suitable for intermediate keepers rather than beginners. The individual larval rearing process requires some prior insect-keeping experience.

Q.What does this beetle look like?

A.It has a cream-colored pronotum marked with a bold black stripe, and black elytra scattered with round, reddish-brown spots. There's some individual variation, which makes comparing patterns part of the appeal.

Q.Where is this beetle originally from?

A.Passerini's Flower Beetle is native to the African continent. It helps to manage temperature and humidity with its native climate in mind.

Q.Is this species subject to CITES?

A.No, Passerini's Flower Beetle is not subject to CITES.

Useful tools for Passerini's Flower Beetle care

Learn more about Passerini's Flower Beetle in the encyclopedia

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