Idiosoma nigrum explained

Idiosoma nigrum, also called black rugose trapdoor spider, occurs only in south-western Western Australia, in dry woodlands east of the Darling Scarp and north to Moore River.

Females can reach a length of about 30mm, males about 18mm.^[1]

Idiosoma nigrum digs burrows up to 32 cm deep.^[2]

Name

The species name is derived from Latin Niger "black".

External links

• Web site: World Spider Catalog, V8.0 . Idiopidae.

Notes and References

1. Web site: Idiosoma nigrum — Shield-backed Trapdoor Spider, Black Rugose Trapdoor Spider. Department of Agriculture, Water and the Environment.
2. Web site: Black Rugose Trapdoor Spider factsheet . https://web.archive.org/web/20090508164147/http://www.amonline.net.au/factsheets/rugose.htm. 2009-05-08. dead. Australian Museum. 2006-08-17.