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Phalacrognathus muelleri

Species of beetle From Wikipedia, the free encyclopedia

Phalacrognathus muelleri
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Phalacrognathus muelleri, colloquially known as the rainbow stag beetle, and also the king, magnificent or Mueller's stag beetle,[1][2][3] is a species of beetle in the family Lucanidae. It is found in northern Queensland, Australia and New Guinea. It can come in red, green, black, and blue forms. It is the only species in its genus, Phalacrognathus, which is closely related to the genus Lamprima.

Quick Facts Scientific classification, Binomial name ...

Phalacrognathus muelleri has been the official symbol of the Entomological Society of Queensland since 1973.[3][4]

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Etymology

In 1885 the species was named Phalacrognathus muelleri by Sir William Macleay in honour of Baron Ferdinand von Mueller, the Victorian Government Botanist.[3] The genus Phalacrognathus was created at the same time.

Description

Males of Phalacrognathus muelleri are the largest members of the family Lucanidae in Australia. Males range from 24 to 70 mm (0.94 to 2.76 in) in length, whereas the smaller females range from 23 to 46 mm (0.91 to 1.81 in).[1] their beautiful colours fade after death and are difficult to photograph.

Breeding

This species breeds in wet tropical areas. Up to 50 eggs can be laid by a female and these will take 10 to 14 days to hatch. The larva can be seen in the egg before emerging. The larvae are found in wet and rotting wood often in close proximity to white rot fungi[3] and can take up to three years to mature.

Examples of fungi found proximate to breeding sites are: Ganoderma applanatum (Pers.) Patouillard, Nigrofomes melanoporus (Mont.) Murr., Phellinus nr. glaucescens (Petch) Ryvarden; Phellinus robustus (P. Karst) Baird, & Galz., Phellinus - 3 spp., and Pycnoporus sp.[3]

Subspecies

The species is divided into the following two subspecies:

  • Phalacrognathus muelleri muelleri — Queensland, Australia
  • Phalacrognathus muelleri fuscomicans — New Guinea[dubious discuss]

References

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