Thomisidae  Sundevall, 1833 / Xysticus  C. L. Koch, 1835   82 species

Xysticus laetus  Thorell, 1875

Description
Male

Resembles X. kempeleni, but can be easily distinguished by the position of the tegular ridge, which is at 6 o’clock.

Female

Strongly resembles X. kempeleni, but can be distinguished by the loop formed by the insemination ducts related to the receptacles. They are apical in X. laetus and median in X. kempeleni.

Distribution
  Presence
  No data
Global distribution (WSC 2020): Italy to Caucasus, Iran
Figures
Distribution List
Albania   (Kůrka et al., 2020) ||| Azerbaijan   (Otto, 2020) ||| Bulgaria   (Blagoev et al., 2018) ||| Croatia   (no references) ||| Cyprus   (Bosmans et al., 2019c) ||| Georgia   (Otto, 2020) ||| Greece   (no references) ||| Greece / Crete   (no references) ||| Hungary   (no references) ||| Italy   (Pantini & Isaia, 2019) ||| North Macedonia   (no references) ||| Romania   (Moscaliuc, 2012) ||| Russia, Southern   (Otto, 2020) ||| Turkey (Asia)   (Logunov, 2006) ||| Ukraine   (Polchaninova & Prokopenko, 2019) |||
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) 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

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

Logunov D V (2006) Notes on Xysticus kempeleni Thorell, 1872 and two closely related spider species (Araneae: Thomisidae). Acta Arachnologica 55: 59-66 pdf

Moscaliuc L A (2012) New faunistic records of spiders (Arachnida: Araneae) from Dobruja (Romania and Bulgaria). Travaux du Muséum National d’Histoire Naturelle “Grigore Antipa” 55: 9-15 pdf

Otto S (2020) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 03.2020. Internet: caucasus-spiders.info.

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. Fragmenta Entomologica 51: 127-152 pdf

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

World Spider Catalog (2020) World Spider Catalog. Version 21.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.03.2020) doi: 10.24436/2 pdf

Updates
24-06-2020 Distribution insert Detail
26-05-2020 Distribution update Detail
29-04-2020 Distribution insert Detail