Hexarthrius Stag Beetles
Hexarthrius stag beetles are found in south-east Asia. The males grow to very large sizes. They are extremely aggressive and violent. They should be handled with great care. Many of the Hexarthrius stag beetles have mandibles that split into two directions at the end of each side.
Hexarthrius Mandibularis
This is the longest Hexarthrius beetle, reaching over 110mm. Its mandibles are very long and have a strong downward curve. It is an extremely aggressive beetle. Any beetle found in close proximity of it will be fiercely removed with its large mandibles. These beetles can be found in Borneo and Sumatra. The tooth on the Borneo beetle's mandible is found closer to the back, but the Sumatra beetle's tooth is located in the middle. The mandibularis pictured above is from Sumatra. They spend 6 to 9 months as a larva and a further 6 to 10 months as an adult.
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Hexarthrius Parryi
These aggressive beetles are found in south-east Asia. It will swiftly attack any moving thing near it. The elytra of the male has brown markings, while the female is all black. The mandibles of the male break into two directions, giving it a V shape at the end. It spends 8 to 12 months as a larva and a further 5 to 10 months as an adult. The adult males can grow up to 92mm and the females can grow up to 51mm.
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