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

Xysticus kochi  Thorell, 1872


Male palp with apophyses of bulbus slightly bent toward each other, pliers-like. Median tegular apophysis with 2 branches, one robust and broad, the other small, pointed and tooth-shaped. Tibial apophysis bipartite, one apophysis ventral, broad with apically slanting distal edge, the second one tapering toward the tip. Embolus strongly broadened in last third. Epigyne with width of bar between the two epigynal grooves approximately 1/2 of epigynal groove width. Vulva characterised by broad, wrinkled ground of epigynal grooves with vague course of ducts. Prosoma with black stripes, median triangle large, posteriorly with distinct black spot, arc-like margined by bright stripes on both sides. Sternum light brown, margin brown-yellow, longish oval, scarcely spined. Chelicerae frontally strongly spined. Legs dorsally dark brown with bright longitudinal lines and strong spines. Opisthosoma distinctly patterned with light brown-ochre foliaceous patterns on dark background, colour very variable (males overall darker).

Body length male: 4-5.4 mm
Body length female: 6-10.8 mm
Additional information

near the ground and on low plants, euryoecious, from 480-2100 m

Frequency: Frequent, distributed

  No data
Global distribution (WSC 2020): Europe, Mediterranean to Central Asia
 male  female

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02-10-2018 Image insert
12-07-2018 Image insert
10-12-2013 Distribution update Old value
15-04-2013 Distribution update Old value