New venomous species with zebra-like stripes discovered on outback mountain
The newly described nesidiochernes fissuricola was observed during a research trip in Western Australia’s Pilbara region.
Researchers have discovered a new species of arachnid in outback Australia. With long pincers and eight hairy legs, it appears at first glance to be a scorpion but a close inspection reveals it has no tail.
The newly described nesidiochernes fissuricola is a type of pseudoscorpion. The tiny creatures were observed during a research trip in Western Australia’s Pilbara region. They were found inside a deep cleft in the rock, near the top of Mount Meharry, which at 1,249 metres is the state's tallest peak.
Only two other members of its genus were known in Australia, and the discovery takes the number to three. Pseudoscorpions are commonly found in leaf litter and under stones, mostly in the southern half of Australia.
Pseudoscorpion ancestors date back over 380 million years
While pseudoscorpions resemble scorpions, they’re actually more closely related to sun spiders. They’re an ancient creature that has changed very little — a fossilised specimen believed to be over 380 million old appears similar to its modern ancestors.
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In their description of the new species, the Museum of Western Australia’s Dr Mark Harvey and ecologist Michael Curran note it has three blades in its mouth, and venom in its arms, which are known scientifically as chelal fingers.
Known species of pseudoscorpions are not harmful to humans or pets, and their venom is only used to paralyse tiny prey.
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Pictures published in the Australian Journal of Taxonomy highlight the creature’s amazing zebra-like striped back. The described specimen, known as the holotype, will be held at the Museum of Western Australia.
Because of his specialised knowledge of arachnids, Harvey frequently describes new species around Australia. Last year, he accidentally discovered a new species of trapdoor spider while on holiday with his wife.
It's only after descriptions of new species are published, that plans can be devised to protect them. Australia is thought to be home to 10,000 spider species but only around 2,800 have been formally identified.
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