ADULT: Prosopocoilus giraffa keisuke (Giraffe Stag Beetle) Stag beetle Behavior: Notoriously temperamental and highly

Behavior: Notoriously temperamental and highly combative

Please use it 2-3 days after the entire Kinshi turns white

Tips: It is best to keep them individually

Allomyrina

the larva pupates to turn into an adult beetle

ADULT: Prosopocoilus giraffa keisuke (Giraffe Stag Beetle) Stag beetle Behavior: Notoriously temperamental and highly#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.