ADULT: (HMM) Hexarthrius Mandibularis Mandibularis Rhino Beetle Adult Lifespan Once Active: Up

Adult Lifespan Once Active: Up to 24 months

Preferred for most stag beetle larvae except Cyclommatus and Lucanus

Made in Japan: Manufactured to strict Japanese quality standards for consistency

Adult Lifespan Once Active: 1-2 years

Other Small Invertebrates

ADULT: (HMM) Hexarthrius Mandibularis Mandibularis Rhino Beetle Adult Lifespan Once Active: Up#VeryRARE #LARGEMANDIBLES #IdealforBeginners #LargeStagBeetleEmergence Time: Mid April. Active Time: Mid JuneNative Habitat: Borneo IndonesiaFeatures: Males can reach over 100mm, making them exceptionally large stag beetles. Size: 48 115mmAdult Lifespan Once Active: 3 8monthsLarval Period: 8 14 monthsSubstrate and Air Temperature: 64 75F (18 24C) 60 80%Beetle Food: Beetle jellyDifficulty: Medium DifficultyRearing Tips: It's best to keep them