Dysderidae  C. L. Koch, 1837 / Dysdera  Latreille, 1804   165 species

Dysdera crocata  C. L. Koch, 1838


Bulb 1.5 mm long. Prosoma 4.6 mm long. Prosoma with broad and shallow head region. Chelicerae light to dark red-brown, stout, anterior cheliceral furrow margin straight or convex. Femur IV with 1-4 spines. Tibia IV mostly with on spine ventrally.

Body length male: 11-15 mm

Vulva angular anteriorly, anterior process of receptaculum seminis appears uniformly broad, outwardly bent. Prosoma red-brown, with fine grains. Eyes: PME slightly larger than PLE, anteriors one diameter apart. Legs: femur IV usually with 2 dorsal spines, tibia III with 4 to 9 spines, tibia IV with 4 to 10 spines, metatarsus III and IV with numerous spines.

Comparison of D. crocata / D. erythrina by J.-P. Taberlet: PDF

Body length female: 9-10 mm
Additional information

In forests, marshes, dunes, gardens. Under stones, logs, in litter, moss. Also in caves, quarries, damp cellars.

This species can bite humans. The bite may be moderately painful and has a median duration of 40 minutes, in one third of cases pain is described as severe. There may also be moderate local itchiness and redness.

  No data
Global distribution (WSC 2019): Europe, Caucasus, Iraq, Central Asia. Introduced to North America, Chile, Brazil, Australia, New Zealand, Hawaii
 male  female
Live several years as adults. Both sexes with a peak in June.

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06-03-2018 Distribution update Old value
26-11-2013 Datasheet update Old value