Gnaphosidae  Pocock, 1898 / Poecilochroa  Westring, 1874   11 species

Poecilochroa senilis  (O. Pickard-Cambridge, 1872)


Palp globular, membranous, brown embolus tapers into fine filament, membranous, light conductor partly envelopes tip of embolus on mesal side. Large tibial retrolateral apophysis splits into short, slightly scooped, blackish lobe, and a hooked, yellow process. Prosoma length: 2.1-3.0 mm, prosoma width: 1.4-2.1 mm.

Body length male: 4.3-6.6 mm

Epigyne: swollen plates divided medially by elongated, brown cavity edged by broad,blackish margins. Copulatory orifices located at midlevel of spermathecae. Median black ducts of large, reddish-yellow, compact spermathecae nearly touching each other at middle. Prosoma length: 2.8-4.2 mm, prosoma width: 1.8-3.0 mm.

Body length female: 5.4-10.4 mm
Additional information

Under stones and in moist grassland (Chios, Greece)

  No data
Distribution comment: = P. senilis auspex from North Africa? (see Simon 1914: 221)
Global distribution (WSC 2022): North Africa, Portugal to Turkmenistan
 male  female
Distribution List
Algeria   (Alioua & Bosmans, 2020) ||| Cyprus   (Bosmans et al., 2019c) ||| Egypt   (Alioua & Bosmans, 2020) ||| France   (no references) ||| France / Corsica   (no references) ||| Greece   (no references) ||| Greece / Crete   (no references) ||| Italy / Sicily   (Pantini & Isaia, 2019) ||| Libya   (Alioua & Bosmans, 2020) ||| Morocco   (Alioua & Bosmans, 2020) ||| Portugal   (Branco et al., 2019) ||| Russia, Southern   (Otto, 2022) ||| Spain   (Branco et al., 2019) ||| Tunisia   (Alioua & Bosmans, 2020) |||

Alioua A, Bosmans R (2020) Poecilochroa senilis (O. Pickard-Cambridge, 1872) (Araneae: Gnaphosidae) recorded for the first time in Algeria and Morocco, with the proposition of a new synonym. Serket 17: 121-126 pdf

Bosmans R, Van Keer J, Russell-Smith A, Hadjiconstantis M, Komnenov M, Bosselaers J, Huber S, McCowan D, Snazell R, Decae A, Zoumides C, Kielhorn K-H, Oger P (2019c) Spiders of Cyprus (Araneae). A catalogue of all currently known species from Cyprus. Newsletter of the Belgian Arachnological Society 34, Suppl. 1: 1-173 pdf

Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254 pdf

Murphy J (2007) Gnaphosid genera of the world. British Arachnological Society St Neots, Cambridgeshire, 605 pp. pdf

Otto S (2022) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 02.2022. Internet:

Pantini P, Isaia M (2019) the online catalog of Italian spiders, with addenda on other arachnid orders occurring in Italy (Arachnida: Araneae, Opiliones, Palpigradi, Pseudoscorpionida, Scorpiones, Solifugae). Fragmenta Entomologica 51: 127-152 pdf

Russell-Smith A, Allison R, Askins M, Blumsom W, Snazell R, Spilling C (2011) A provisional checklist and gazetteer of the spiders of Chios, Greece (Arachnida: Araneae). Bulletin of the British Arachnological Society 15: 133-167 pdf

Simon E (1914) Les arachnides de France 6 (1). Paris (Roret): 1-308 pdf

WSC (2022) World Spider Catalog. Version 23.0. Natural History Museum Bern, online at (21.01.2022) doi: 10.24436/2 pdf

15-07-2020 Datasheet update Detail
17-04-2020 Distribution update Detail
17-04-2020 Distribution insert Detail
13-06-2016 Datasheet update Detail
01-12-2013 Distribution update Detail