Species Summary:
Adult lifespan: 1-2 years
Pupa period: 1 month.
Larva period: Males: 8-12 months, Females 5-8 months.
Breeding difficulty: 2/10
Species Info:
Dorcus metacostatus, is a fascinating species of stag beetle that is admired for its unique characteristics and impressive appearance. This beetle is native to specific regions of Asia and is appreciated by collectors for its distinctive features.
Dorcus metacostatus is recognized for its robust and elongated body, typically reaching up to 50-70 millimeters in length. The beetle’s exoskeleton is usually black or dark brown, with a shiny, smooth surface. Males are distinguished by their moderately large, curved mandibles, which are used in fights with other males during the mating season. Females are generally smaller and have less prominent mandibles, but they are equally sturdy in build.
This species is found in forested regions where it prefers a habitat rich in decaying wood, which serves as both a home and food source for its larvae. They are primarily nocturnal, coming out at night to forage and engage in mating activities. Males are known for their territorial behavior, often engaging in battles with rivals to secure mates.
In the wild, Dorcus metacostatus feeds on tree sap and decaying fruit. In captivity, they can be fed beetle jelly, which is specifically designed to meet their dietary needs. Soft fruits such as bananas and apples are also suitable for their diet. Providing a consistent and nutritious diet is important for maintaining the health and vitality of these beetles.
Breeding the Dorcus metacostatus in captivity requires creating an environment that replicates their natural habitat. Females lay eggs in decaying wood or a nutrient-rich substrate, where the larvae will grow. The larvae undergo several molts before pupating and emerging as adults. The entire life cycle can take several months, and maintaining the right temperature, humidity, and substrate conditions is essential for successful breeding.
The adult Dorcus metacostatus beetle has a lifespan of several months. To keep them healthy in captivity, it is important to provide a warm, humid environment with a substrate of decaying wood or organic material for the larvae. Regular misting and proper ventilation help maintain the necessary humidity levels and prevent mold growth.
These beetles are generally calm and can be handled with care. Due to their relatively large mandibles, particularly in males, gentle handling is recommended to avoid stress or injury. Their unique appearance and manageable size make them a captivating species to observe and care for.
The Dorcus metacostatus is a distinctive and fascinating species from Asia. With its sturdy build, impressive mandibles, and relatively straightforward care requirements, it is a rewarding species for beetle enthusiasts. Proper care, including a suitable environment and diet, will help these beetles thrive in captivity, allowing for a deeper
appreciation of their natural behaviors and life cycle.
