Thomisidae  Sundevall, 1833 / Psammitis  Menge, 1876   13 species

Psammitis ninnii (Thorell, 1872)

Description
Male

Male palp with flat tegulum with small, blunt ridge. lateral tibial apophysis with almost parallel sides. Embolus with rough surface structure and widened to a small lancet-shaped leaflet. Prosoma brown to dark brown, high-contrastingly patterned, with bright, broad, indented median band, variable. Sides with blackish spots. Sternum brown to sandy brown or beige. Chelicerae longish, brown to light brown, patterned beige, slightly spined frontally and provided with a longer spine. Legs unicoloured and inconspicuous, dorsally slightly darker, without longitudinal stripes. Opisthosoma with broad, white or cream margin, otherwise dark brown or black-brown with lancet- or oak leaf-shaped, cream, beige or brown folium, 5 sigilla.

Body length male: 4.2-5.2 mm
Female

Epigyne bright, broad-oval with lateral slit-shaped opening, 1-2 short transverse folds. Vulva consisting of 2 sac-like, compact structures. Sternum cream to white, partly darker on margin. Chelicerae longish, brown to light brown, patterned beige, slightly spined frontally and provided with a longer spine (strongly spined in female). Legs with distinct white longitudinal stripes. 

Body length female: 5.5-7.5 mm
Additional information

in dry meadows, forest steppes and rocky heathland of the mountains, up to 1800 m

Distribution
  Presence
  No data
Distribution comment: Turkey: by Demir (2008) as Xysticus ninnii fusciventris
Global distribution (WSC 2026): Europe, Turkey, Caucasus, Russia (Europe to South Siberia), Central Asia
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
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.

Albania   (Kůrka et al., 2020) ||| Algeria   (Kherbouche-Abrous et al., 2025) ||| Armenia   (Otto, 2022) ||| Austria   (Thaler & Knoflach, 2004b) ||| Azerbaijan   (Otto, 2022) ||| Belgium   (Bosmans & Van Keer, 2017) ||| Bulgaria   (Blagoev et al., 2018) ||| Croatia   (Milosevic, 2002) ||| Czechia   (Růžička & Řezáč, 2022a) ||| France   (Le Peru, 2007) ||| France / Corsica   (Déjean & Canard, 2024) ||| Georgia   (Otto, 2022) ||| Germany   (Blick et al., 2016) ||| Greece   (Bosmans & Chatzaki, 2005) ||| Hungary   (Samu & Szinetár, 1999) ||| Italy   (Isaia et al., 2025) ||| Italy / Sicily   (Isaia et al., 2025) ||| Liechtenstein   (Arnold, 2001) ||| Montenegro   (Naumova et al., 2019a) ||| Netherlands   (van Helsdingen, 2025a) ||| North Macedonia   (Komnenov, 2014) ||| Poland   (Rozwałka & Stanska, 2008) ||| Portugal   (Branco et al., 2019) ||| Romania   (Weiss & Petrișor, 1999) ||| Russia, Central   (no references) ||| Russia, Eastern   (Esyunin & Efimik, 1996a) ||| Russia, Southern   (Otto, 2022; Ponomarev, 2022) ||| Serbia   (Deltshev et al., 2003b) ||| Slovakia   (Gajdoš et al., 1999) ||| Slovenia   (Kostanjšek & Kuntner, 2015) ||| Spain   (Branco et al., 2019) ||| Switzerland   (Maurer & Hänggi, 1990) ||| Turkey (Asia)   (Danışman et al., 2025a) ||| Ukraine   (Polchaninova & Prokopenko, 2019) |||
References

Arnold K (2001) Beitrag zur Spinnenfauna (Arachnida, Araneae) des Fürstentums Liechtenstein. Berichte der Botanisch-Zoologischen Gesellschaft Liechtenstein-Sargans-Werdenberg 28: 211-244 pdf

Azheganova N S (1968) Kratkii opredelitel' paukov (Aranei) lesnoi i lesostepnoi zony SSSR. Akademia Nauk SSSR, 149pp. pdf

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) pdf

Blick T, Finch O-D, Harms K H, Kiechle J, Kielhorn K-H , Kreuels M, Malten A, Martin D, Muster C, Nährig D, Platen R, Rödel I, Scheidler M, Staudt A, Stumpf H, Tolke D (2016) Rote Liste und Gesamtartenliste der Spinnen (Arachnida: Araneae) Deutschlands. 3. Fassung, Stand April 2008, einzelne Änderungen und Nachträge bis August 2015. Naturschutz und Biologische Vielfalt 70/4: 383-510 pdf

Bosmans R, Chatzaki M (2005) A catalogue of the spiders of Greece – a critical review of all spider species cited from Greece with their localities. Nieuwsbrief van de Belgische arachnologische Vereniging 20 (2, suppl.): 1-124 pdf

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

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

Crome W (1965) Studien an Krabbenspinnen (Araneae: Thomisidae) 5. Subspezifische Gliederung von Xysticus ninnii Thorell, 1872 und ein Versuch zur Zoogeographie der Unterarten Deutsche Entomologische Zeitschrift (N.F.) 12: 421-441 pdf

Danışman T, Kunt K B, Özkütük R S, Coşar İ (2025a) The checklist of the spiders of Turkey. Version 2025 [last updated 01 December 2025], online at http://www.spidersofturkey.info pdf

Déjean S, Canard A (2024) Contribution à la connaissance des araignées (Araneae) de Corse. Revue Arachnologique (2) 11: 59-67 pdf

Deltshev C D, Ćurčić B P M, Blagoev GA (2003b) The spiders of Serbia. Inst. Zoology, Fac. Biology, Belgrade & Inst. Zoology, Bulg. Acad. Sci., Sofia. 832 pp.

Demir H (2008) An updated checklist of the Thomisidae (Araneae) of Turkey with zoogeographical remarks. Serket 11: 37-50 pdf

Esyunin S L, Efimik V E (1996a) Catalogue of the spiders (Arachnida, Aranei) of the Urals. KMK Scientific Press, Moscow, 228 pp. pdf

Gajdoš P, Svatoň J, Sloboda J (1999) Katalóg pavúkov Slovenska. Catalogue of Slovakian spiders. Ústav kr. ekol. SAV, Bratislava, 337 pp.

Heimer S, Nentwig W (1991) Spinnen Mitteleuropas. Paul Parey Berlin pdf

Helsdingen P J van (2025a) Catalogus van de Nederlandse spinnen. Versie 2025.1. 249 pp. pdf

Isaia M, Tolve M, Pantini P (2025) Araneae.it: 2.0: the new updated version of the digital catalog of the Italian spiders and other arachnids (Arachnida: Araneae, Opiliones, Scorpiones, Pseudoscorpiones, Palpigradi, Solifugae). Fragmenta Entomologica 57: 197-204 pdf

Jantscher E (2001a) Revision der Krabbenspinnengattung Xysticus C.L. Koch, 1835 (Araneae, Thomisidae) in Zentraleuropa. Dissertation, Univ. Graz, 328 pp., 81 pls. pdf

Kherbouche-Abrous O, Bouseksou S, Alioua Y, Beladjal L (2025) Corrections to the Article: "Bibliographic checklist of the Algerian spider fauna (Araneae)". Zootaxa 5609: 356-374 pdf

Komnenov M (2014) Spider fauna of the Osogovo Mt. Range, Northeastern Macedonia. Fauna Balkana 2: 1-267 pdf

Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91 pdf

Kůrka A, Naumova M, Indzhov S, Deltshev C (2020) New faunistic and taxonomic data on the spider fauna of Albania (Arachnida: Araneae). Arachnologische Mitteilungen 59: 8-21 pdf

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

Maurer R, Hänggi A (1990) Katalog der schweizerischen Spinnen. Documenta Faunistica Helvetiae 12 pdf

Milosevic B (2002) Aranea – Popis vrsta – Checklist. Hrvatsko entomološko društvo – Inventar entomofaune Hrvatske [Aranea – List of species – Checklist. Croatian Entomological Society – Inventory of Croatian entomofauna]. pdf

Naumova M, Lazarov S, Deltshev C (2019a) Faunistic diversity of the spiders in Montenegro (Arachnida: Araneae). Ecologica Montenegrina 22: 50-89 pdf

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

Pesarini C (2000) Contributo alla conoscenza della fauna araneologica italiana (Araneae). Memorie della Società Entomologica Italiana 78: 379-393 pdf

Polchaninova N, Prokopenko E (2019) An updated checklist of spiders (Arachnida: Araneae) of Left-Bank Ukraine. Arachnologische Mitteilungen 57: 60-64 & App 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

Roberts M J (1995) Collins Field Guide: Spiders of Britain & Northern Europe. HarperCollins, London, 383 pp. pdf

Rozwałka R, Stanska M (2008) Check-list of spiders (Araneae) of Poland. 1. December 2008. online at http://www.arachnologia.edu.pl/en/species/8-spiders-of-poland.html pdf

Růžička V, Řezáč M (2022a) Seznam pavouků České republiky. List of spiders of the Czech Republic. Online at https://www.arachnology.cz/seznam-pavouku-cr-26.html and https://www.arachnology.cz/en/seznam-pavouku-cr-26.html pdf

Samu F, Szinetár C (1999) Bibliographic check list of the Hungarian spider fauna. Bulletin of the British Arachnological Society 11: 161-184 pdf

Thaler K (1981c) Bemerkenswerte Spinnenfunde in Nordtirol (Österreich) (Arachnida: Aranei). Veröffentlichungen des Museum Ferdinandeum in Innsbruck 61: 105-150 pdf

Thaler K, Knoflach B (2004b) Zur Faunistik der Spinnen (Araneae) von Österreich: Gnaphosidae, Thomisidae (Dionycha pro parte). Linzer Biologische Beiträge 36: 417-484 pdf

Weiss I, Petrișor A (1999) List of the spiders (Arachnida: Araneae) from Romania. Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa” 41: 79-107 pdf

WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2 pdf

Updates
10-11-2025 Distribution update Detail
09-01-2025 Distribution insert Detail
25-02-2022 Distribution update Detail
29-01-2021 Distribution insert Detail
29-04-2020 Distribution insert Detail
01-12-2013 Distribution update Detail