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Thomisidae  Sundevall, 1833 / Xysticus  C. L. Koch, 1835   105 species

Xysticus macedonicus  Šilhavý, 1944

Description
Male palp with hammer-shaped median apophysis with pointed ends. Lateral apophysis shovel-like widened, prolateral end twisted to a tip, with distinct tooth in bulge. Tibial apophysis bipartite, ventral apophysis large, with strongly sclerotised edges and irregular shape, retrolateral apophysis broad and ending blunt in lateral view, longish in ventral view. Embolus with broad, feather-like tip, flanked by 2 wing-like structures and transparent distally. Epigyne with thin median septum, which is widened posteriorly. Longish, broad lateral plates on both sides of septum. Prosoma colour very variable (males overall darker). Laterally with broad, black stripes, median triangle large, posteriorly with distinct black spot, arc-like margined by bright stripes on both sides. Sternum beige to brown, partly brightened median and yolk-yellow to yellow-brown on margin. Chelicerae brown, both sexes frontally with one longer spine, females additionally with many small robust spines. Legs long and slender (females thick), coloured like opisthosoma. Opisthosoma distinctly patterned with light brown-ochre triangles on dark background. Spinnerets brown, bordered by a white line. Body length male: 4.2-6.1 mm
Body length female: 4.3-7.8 mm
Additional information
rarely found mountainous species, apparently confused with X. cristatus / X. audax

Frequency: Very rarely found

Distribution
  Presence
  No data
Global distribution (WSC 2018): Germany, Switzerland, Austria, Macedonia, Turkey
Figures
References

Blagoev G, Deltshev C, Lazarov S, Naumova M (2017) The spiders (Araneae) of Bulgaria. Version: October 2017. National Museum of Natural History, Bulgarian Academy of Sciences. Online at http://www.nmnhs.com/spiders-bulgaria/ (accessed on 12.10.2017)

Breitling R (2018) Eric Duffey's spider collection in the Manchester Museum – an update. Newsletter of the British Arachnological Society 141: 5-9

Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at www.european-arachnology.org

Jantscher E (2001a) Revision der Krabbenspinnengattung Xysticus C.L. Koch, 1835 (Araneae, Thomisidae) in Zentraleuropa. Dissertation: 1-328

Jantscher E (2001b) Diagnostic characters of Xysticus cristatus, X. audax and X. macedonicus (Araneae: Thomisidae). Bull Br Arachnol Soc 12 (1): 17-25

World Spider Catalog (2018) World Spider Catalog. Natural History Museum Bern, online at http://wsc.nmbe.ch, version 19.0, accessed on 14.01.2018. doi: 10.24436/2

Updates
16-04-2018 Image insert
07-03-2016 Image insert