Giant African Flower Beetle

 Egg > Grub (Larva) > Pupa / Cocoon > Adult Beetle  

Adult MTU beetles have a lifespan of roughly 3–12 months, following a pupation period that typically lasts 1–2 months. Their larval stage is the longest part of their development, ranging from 7–11 months depending on conditions and sex. Overall, this species a great choice for both new keepers and experienced hobbyists alike. 

 MTU larvae are easy to care for and can be kept in groups as long as they have a large container with plenty of substrate, which should be replaced every 4–5 weeks to prevent cannibalism. They grow well on decayed leaf‑wood mulch or flake soil with added protein, avoiding any conifer material, which is toxic. During each substrate change, check and weigh the larvae—healthy ones steadily gain weight. Final larval weight can also help estimate adult size, with adult length averaging roughly the larval weight plus 20 mm. 

 When larvae reach their final instar, they turn yellow and begin building their cocoons. Leave them in the substrate until the cocoon is fully formed, then transfer each cocoon to a separate box for closer monitoring during the 2–3 month pupation period. Because metamorphosis is delicate, it’s helpful to make a small opening at the end of each cocoon to check on development, assist any adults that fail to emerge, and remove any larvae or pupae that have died before they attract pests like mites.

 House adults in well‑ventilated containers with at least 6 inches of substrate to allow natural burrowing behavior. Keep humidity between 50–70% by misting regularly, ensuring the enclosure stays lightly moist without becoming overly wet. Additionally, adding bark pieces or sturdy sticks near the top is another way of adding enrichment to their enclosure. 

 Lightly mist the enclosure every other day, moistening just the surface to maintain healthy humidity levels without soaking the substrate. In warmer conditions, increase misting to once or twice a day to help regulate temperature and keep the adults comfortable and well‑hydrated. 

Temperature: 70-82f degrees 

Humidity: 50-70%

 Grubs (larvae) feast exclusively on their substrate—flake soil! No extra snacks are needed, as the substrate provides all the nourishment they require. 

Just remember since they munch their way through it, be sure to refresh the flake soil every 1–2 months to keep their underground banquet fresh and plentiful.

  Adult Beetle 

They readily feed on a variety of non‑citrus fruits such as banana and melon, and they also thrive on specialized beetle jelly, which provides a convenient and nutritious staple in captivity. Offering these foods consistently helps keep adults healthy, hydrated, and active throughout their lifespan.