Oonopidae  Simon, 1890 / Tapinesthis  Simon, 1914   1 species

Tapinesthis inermis  (Simon, 1882)

Description
Male

Palp: tibia short and bulging, bulb pear-shaped, longer than broad, embolus curved at the top. Prosoma 0.75 mm long. Prosoma horn-yellow, shining through whitish, radial stripes and margin darker. Opisthosoma whitish grey, dorsally darker pigmented. Characters as in female.

 

Body length male: 1.8 mm
Female

Prosoma 0.8 mm long. Eyes: ocular area pigmented with black, ALE one diameter apart, posterior row recurved. Labium as long as wide, almost square. All legs without spines.

Body length female: 2.4-2.5 mm
Additional information

In buildings, forests, garrigue and dry grasslands. 2 forms of this species are described, one in early spring and the other at the end of summer. The spring form is more coloured, and cuticula almost hairless, the summer form is pale, and legs and opisthosoma hairy.

Since a few decades, this species shows some spreading tendencies within Europe. Nevertheless, it shall not be listed as alien or invasive because it is native for Europe.

Distribution
  Presence
  No data
Global distribution (WSC 2019): Europe
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Possibly adults all the year round in buildings in Central Europe.
Figures
References

Blagoev G, Deltshev C, Lazarov S, Naumova M (2018) The spiders (Araneae) of Bulgaria. Version: August 2018. National Museum of Natural History, Bulgarian Academy of Sciences. Online at http://www.nmnhs.com/spiders-bulgaria/ (accessed on 10.9.2018)

Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at www.european-arachnology.org

Kraus O (1967a) Tapinesthis inermis, eine für Deutschland neue Oonopide (Arachnida: Araneae: Oonopidae). Senck Biol 48: 381-385

Lazarov S, Deltshev C, Blagoev G (2001) The spiders (Araneae) of Sashtinska Sredna Gora Mountain (Bulgaria). Faunistic and zoogeographical analysis. Acta Zoologica Bulgarica 53: 3-28

Le Peru B (2011) The spiders of Europe, a synthesis of data: Volume 1 Atypidae to Theridiidae. Mémoires de la Société Linnéenne de Lyon 2: 1-522 pdf

Lecigne S (2018b) Récits de chasses aranéologiques récentes dans plusieurs départements de France. Redécouverte de Philodromus buchari Kubcová, 2004 (Araneae: Philodromidae) et confirmation de la présence de Theridion harmsi Wunderlich, 2011 (Araneae: Theridiidae). Nieuwsbrief van de Belgische Arachnologische Vereniging 33: 59-99 pdf

Pantini P, Isaia M (2019) Araneae.it: the online Catalog of Italian spiders, with addenda on other Arachnid Orders occurring in Italy (Arachnida: Araneae, Opiliones, Palpigradi, Pseudoscorpionida, Scorpiones, Solifugae). http://araneae.it. [Old pdf-version: Checklist of the Italian spiders (version June 2018). online at Pantini_&_Isaia_- _Checklist_of_the_Italian_spiders._June_2018.] Fragmenta Entomologica 51: 127-152 pdf

World Spider Catalog (2019) World Spider Catalog, version 20.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.09.2019) doi: 10.24436/2

Updates
20-09-2018 Image insert
25-04-2018 Image insert