Thomisidae  Sundevall, 1833 / Xysticus  C. L. Koch, 1835   78 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 2019): Italy to Central Asia
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

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

Moscaliuc L A (2012) New faunistic records of spiders (Arachnida: Araneae) from Dobruja (Romania and Bulgaria). Trav Mus Nat Hist Nat "Grigore Antipa" 55: 9-15

Otto S (2017) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 08.2017. Internet: caucasus-spiders.info.

Pantini P, Isaia M (2018) Checklist of the Italian spiders (version June 2018). online at http://www.museoscienzebergamo.it/web/index.php?option=com_content&view=category&layout=blog&id=96&Itemid=94 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 (2019) World Spider Catalog, version 20.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.01.2019) doi: 10.24436/2