Biology:Hexarthrius mandibularis

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Short description: Species of beetle

Hexarthrius mandibularis
Hexarthrius mandibularis.JPG
Hexarthrius mandibularis sumatranus
Scientific classification edit
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Lucanidae
Genus: Hexarthrius
Species:
H. mandibularis
Binomial name
Hexarthrius mandibularis
(Mizunuma, 1994)

Hexarthrius mandibularis is one of the world's largest stag beetle.[1] It belongs to the tribe Lucanini, in the family Lucanidae.[2]

This beetle has a dull, dark, brick reddish body. Both the legs and antennae are blackish. The most notable characteristic are the large, antler-like mandibles. These have small teeth running down the inside edge, with one large, forward-pointing pair located approximately a third of the way down from the tips. The tips are forked inward somewhat.

During the larval stage, Hexarthrius mandibularis lives in rotten hardwood, feeding on it. Later, during the imago stage, it consumes tree juice.

Subspecies

There are two subspecies, both native to Indonesia:[3]

  • Hexarthrius mandibularis mandibularis Deyrolle, 1881[4]
This subspecies grows to a maximum length of 115 mm. It is indigenous to Kalimantan.
  • Hexarthrius mandibularis sumatranus Mizunuma, 1994[5]
This subspecies grows to a maximum length of 118.5 mm. It is indigenous to Sumatra.

References

External links

Wikidata ☰ Q1957044 entry