ADULT: Prosopocoilus giraffa keisuke (Giraffe Stag Beetle) Adult:Female PGK (any size) Adult Lifespan: 4-12 months

Adult Lifespan: 4-12 months

Both larvae and adults are highly sensitive to heat

It is much easier to care for compared to Dynates Grantii

Anti-Gnat Barrier System: Ventilation panels create a physical barrier that prevents fungus gnats from entering the enclosure while maintaining healthy airflow

The pictured larva is either L2 or L3 and takes 5-12 months to become an adult beetle

ADULT: Prosopocoilus giraffa keisuke (Giraffe Stag Beetle) Adult:Female PGK (any size) Adult Lifespan: 4-12 months#World's Biggest Stag Beetle Active date(Update 07 15 2025): 109mm Late August 102mm Mid August Looking for a beetle with serious flair? The Giraffe Stag Beetle (Prosopocoilus giraffa keisuke) is here to impress! It holds the title of the world's longest stag beetle, reaching an impressive length of 121mm. Among the stag beetles, it's undoubtedly one of the most iconic. Adults are resilient to both heat and cold, thriving with proper ventilation.