Lucanus formosanus Size:Adult Pair (♂Assorted ♀Assorted) Adult males can reach sizes

Adult males can reach sizes of up to 40-60 millimeters or more

but it is also highly threatened due to deforestation and habitat fragmentation

The life cycle from egg to adult can take several months

Although Spirobolus caudulanus is not commonly kept as a pet or studied as extensively as other millipedes

Lucanus formosanus Size:Adult Pair (♂Assorted ♀Assorted) Adult males can reach sizesSpecies Summary: Adult lifespan: 4 months Pupa period: 1 2 months. Larva period: Male: 1 year Female: 8 months Breeding difficulty: 7 10 Species Info: Lucanus formosanus, commonly known as the Taiwan Stag Beetle, is a fascinating and visually striking species of stag beetle found in Taiwan. These beetles are highly prized by collectors and enthusiasts for their impressive size, distinctive appearance, and intriguing behaviors. The Taiwan Stag Beetle,