Theridiidae  Sundevall, 1833 / Hadrotarsus  Thorell, 1881   1 species

Hadrotarsus ornatus  Hickman, 1943


Prosoma yellowish brown with narrow black lateral margins and black reticulate pattern behind eyes. Legs yellowish brown, darker towards apex. Sternum yellowish brown. Dorsal shield of opisthosoma yellowish brown, crossed by 4 transverse black bands. Palp: long, coiled embolus, hard, slender, terminal apophysis, which is with few minute teeth on one side.

Prosoma length: 0.5 mm, prosoma width: 0.6 mm.


Resembles male in colouration and appearance.

Prosoma length: 0.6 mm, prosoma width: 0.6 mm.

Additional information

Imported from Tasmania

This species of Australian origin is not native to Europe (alien species). It had been introduced to Europe at least once and could establish.

  No data
Global distribution (WSC 2021): Australia (Tasmania). Introduced to Belgium
Distribution List
Belgium   (no references) |||

Van Keer K, Van Keer J (2004) In België aangetroffen exoten (Araneae) uit de collectie J. Van Keer. Nieuwsbrief van de Belgische Arachnologische Vereniging 18: 78-83 pdf

WSC (2021) World Spider Catalog. Version 22.5. Natural History Museum Bern, online at (22.09.2021) doi: 10.24436/2 pdf

26-07-2016 Datasheet update Detail
17-06-2014 Image insert