Thomisidae  Sundevall, 1833 / Xysticus  C. L. Koch, 1835   83 species

Xysticus marmoratus  Thorell, 1875


Male palp without tegular apophyses, but with transverse, sclerotised edge, prolateral area of tegulum apically protruding and strongly structured. Tibial apophysis bipartite, ventral apophysis hook-like bent, retrolateral apophysis broad, short in lateral view and with blunt tip. Conductor with whip-like swung embolus. Epigyne with circular to oval contour, flanked by wall-like ring, very variable depending on age. Vulva consists of an inverted triangular sac. Prosoma female: in different bright brown, white or fine black margined and distinctly separated in 3 broad longitudinal stripes. Eye field brown to dark brown or cream-beige, posterior median eyes surrounded by brown rings and 2 dark longitudinal lines in between. Male: dark to grey-brown, partly sand-brown, with broad longitudinal stripes. Sternum broad, almost round, median dark, brown and yellow-brown on margin. Chelicerae frontally dark brown or brown to cream-beige patterned and with fine spine, additional fine, shorter spines. Legs brown, dorsally very dark (female brighter) and with stripes.. Femur male: with bright, median longitudinal line. Opisthosoma slender, slightly longish shaped, anteriorly and laterally white, oval dirty dark brown, black-brown or black-grey, median with brown to brown-beige lancet-shaped area, 5 sigilla. Spinnerets pale grey to brown, partly surrounded by bright line.

Body length male: 3.8-4.9 mm
Body length female: 4.6-5.6 mm
  No data
Global distribution (WSC 2019): Central Europe, Balkans, Greece, Caucasus, Turkey, Ukraine, Russia (Europe), Kazakhstan

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24-09-2015 Distribution update Old value
29-07-2014 Distribution update Old value
15-10-2013 Distribution update Old value