Prosopocoilus astacoides fraternus

Species Summary: 

Adult lifespan: 4-8 months

Pupa period: 1 month. 

Larva period: Males: 8-12 months, Females 5-8 months.

Breeding difficulty: 4/10

Species Info:

The Fraternal Stag Beetle, scientifically known as Prosopocoilus astacoides fraternus, is a
notable beetle species native to Southeast Asia. It is distinguished by its unique coloration and shares many features with other stag beetles in its genus.

Prosopocoilus astacoides fraternus can reach up to 67 millimeters in length. This beetle is
characterized by its dark red coloration, which is complemented by distinct black markings. The vibrant red body and contrasting black patterns make it visually striking and easily recognizable among beetle enthusiasts.

Similar to other stag beetles, the mandibles of the Fraternal Stag Beetle are elongated and
curved, resembling stag antlers. These mandibles are used primarily by males during combat
with rivals to establish dominance and compete for mates. The size and curvature of the
mandibles can vary, reflecting the beetle's health and genetic traits.

Prosopocoilus astacoides fraternus inhabits the tropical and subtropical forests of Southeast
Asia. It prefers environments with abundant decaying wood, which is essential for both adults and larvae. The decomposing wood provides a primary food source for the larvae and supports their development.

In its natural habitat, the Fraternal Stag Beetle plays an important role in the ecosystem. By
feeding on decaying wood, it contributes to the decomposition process, which aids in nutrient recycling and maintains soil fertility. This activity supports various organisms and helps sustain the overall health of the forest ecosystem.

The adult lifespan of Prosopocoilus astacoides fraternus generally ranges from 6 to 12 months. During this period, beetles engage in activities such as foraging, mating, and establishing territories. The relatively short lifespan highlights the importance of habitat conservation to ensure their survival.

For those interested in keeping Prosopocoilus astacoides fraternus in captivity, it is important to replicate their natural habitat as closely as possible. This involves providing a spacious enclosure with a substrate of decomposing wood or leaf litter, which mimics their natural food sources and breeding conditions. Proper care and maintenance are crucial for their health and well-being.

In summary, Prosopocoilus astacoides fraternus, the Fraternal Stag Beetle, is distinguished by its dark red body with black markings. Its presence in Southeast Asia’s forests underscores its ecological significance and highlights the need for habitat conservation to support this vibrant species.