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 not establish.

  Not established
  No data
Global distribution (WSC 2024): Australia (Tasmania). Introduced to Belgium
 male  female
Distribution List

"No references" does not mean that the species does not occur in this country, but that we have not yet inserted the reference for it. We are working on it.

Belgium   (Bosmans & Van Keer, 2017) |||

Bosmans R, Van Keer K (2017) Een herziene soortenlijst van de Belgische spinnen (Araneae). Nieuwsbrief van de Belgische Arachnologische Vereniging 32: 39-69 pdf

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 (2024) World Spider Catalog. Version 25.0. Natural History Museum Bern, online at (22.01.2024) doi: 10.24436/2 pdf

10-06-2023 Distribution update Detail
26-07-2016 Datasheet update Detail
17-06-2014 Image insert