''Idiosoma nigrum'', also called black rugose trapdoor spider, occurs only in south-western

Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to th ...

, in dry woodlands east of the

Darling Scarp The Darling Scarp, also referred to as the Darling Range or Darling Ranges, is a low escarpment running north–south to the east of the Swan Coastal Plain and Perth, Western Australia. The escarpment extends generally north of Bindoon, to th ...

and north to

Moore River Moore River is a river in the Wheatbelt region of Western Australia. Geography The headwaters of the Moore River lie in the Perenjori, Carnamah and Dalwallinu Shires. The river then drains southwards through Moora, flows westerly before j ...

. Females can reach a length of about 30mm, males about 18mm. ''Idiosoma nigrum'' digs burrows up to 32 cm deep.

Name

The species name is derived from

Latin Latin (, or , ) is a classical language belonging to the Italic branch of the Indo-European languages. Latin was originally a dialect spoken in the lower Tiber area (then known as Latium) around present-day Rome, but through the power of the ...

''Niger'' "black".

References

External links

* {{Taxonbar, from=Q2184328 Idiopidae Spiders of Australia Fauna of Western Australia Spiders described in 1952 Taxa named by Barbara York Main