Gnaphosidae  Banks, 1892 / Poecilochroa  Westring, 1874   12 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 2024): Cabo Verde, North Africa, Portugal to Turkmenistan
 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.

Algeria   (Alioua & Bosmans, 2020; Benhacene et al., 2023) ||| Cyprus   (Bosmans et al., 2019c) ||| Egypt   (Alioua & Bosmans, 2020) ||| France   (no references) ||| France / Corsica   (Le Peru, 2007) ||| Georgia   (Seropian et al., 2024) ||| Greece   (Russell-Smith et al., 2011) ||| Greece / Crete   (Bosmans et al., 2013) ||| Italy / Sicily   (Pantini & Isaia, 2019) ||| Libya   (Alioua & Bosmans, 2020) ||| Morocco   (Alioua & Bosmans, 2020) ||| Portugal   (Branco et al., 2019) ||| Russia, Southern   (Otto, 2022; Ponomarev, 2022) ||| Spain   (Branco et al., 2019) ||| Tunisia   (Alioua & Bosmans, 2020) ||| Turkey (Asia)   (Seyyar et al., 2006a; Danışman et al., 2024a) |||

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

Benhacene R, Adjami A, Hadjeb A, Kermiche K, Ouakid M L (2023) Bibliographic checklist of the Algerian spider fauna (Araneae). Zootaxa 5352: 301-357 pdf

Bosmans R, Gavalas I (2023) The spiders (Araneae) of the tiny Greek island Iraklia (Kiklades), with the descriptions of 5 new Harpactea species (Araneae: Dysderidae), 3 species new to Europe and 8 new to Greece. Parnassiana Archives 11 (Suppl. 1): 1-91 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

Bosmans R, Van Keer J, Russell-Smith A, Kronestedt T, Alderweireldt M, Bosselaers J, De Koninck H (2013) Spiders of Crete (Araneae). A catalogue of all currently known species from the Greek island of Crete. Nieuwsbrief van de Belgische Arachnologische Vereniging 28 (Suppl. 1): 1-147 pdf

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

Danışman T, Kunt K B, Özkütük R S, Coşar İ (2024a) The checklist of the spiders of Turkey. Version 2024 [last updated 01 January 2024], online at pdf

Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468 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

Ponomarev A V (2022) Spiders (Arachnida: Araneae) of the southeast of the Russian Plain: catalogue, the fauna specific features. SSC RAS Publishers, Rostov-on-Don, 640 pp. 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

Seropian A, Bulbulashvili N, Krammer H-J, Thormann J, Hein N, Karalashvili L, Karalashvili N, Datunashvili A (2024) Picking pearls from the Silk Road: insights into the spider (Arachnida, Araneae) diversity in Georgia from the Caucasus Barcode of Life (CaBoL) project. Part III. Caucasiana 3: 89-118 pdf

Seyyar O, Topçu A, Demir H (2006a) New records of ground spiders (Araneae: Gnaphosidae) from Anatolia. Zoology in the Middle East 38: 118-120 pdf

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

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

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