Biology:Leptodrassus

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Leptodrassus is a genus of ground spiders that was first described by Eugène Simon in 1878.[1]

Description

The genus Leptodrassus is characterized by small, pale-colored gnaphosids measuring 2-6 mm in body length. Spiders in this genus have markedly enlarged anterior median eyes borne on a common, black patch, with eyes densely grouped around the anterior median eyes. The anterior lateral eyes touch both the anterior median eyes and posterior lateral eyes.[2]

The chelicerae have two promarginal and 0-2 retromarginal teeth. The labium is wider than long, and the fovea is indistinct or absent. Males lack a dorsal scutum on the opisthosoma.[2]

Species

As of September 2025, this genus includes 11 species:[3]

  • Leptodrassus albidus Simon, 1914 – Azores, Canary Islands, Spain, Greece, Turkey, Israel
  • Leptodrassus bergensis Tucker, 1923 – South Africa
  • Leptodrassus croaticus Dalmas, 1919 – Croatia
  • Leptodrassus diomedeus Caporiacco, 1951 – Italy
  • Leptodrassus femineus (Simon, 1873) – Portugal, Bulgaria, Greece, Cyprus, Israel (type species)
  • Leptodrassus fragilis Dalmas, 1919 – Algeria, Libya
  • Leptodrassus incertus Banks, 1898 – Mexico
  • Leptodrassus licentiosus Dalmas, 1919 – South Africa
  • Leptodrassus punicus Dalmas, 1919 – Tunisia
  • Leptodrassus strandi Caporiacco, 1947 – Ethiopia
  • Leptodrassus tropicus Dalmas, 1919 – Sierra Leone

References

  1. Simon, E. (1878). Les arachnides de France. Librarie Encyclopediquede Roter. https://archive.org/details/lesarachnidesde01fagegoog. 
  2. 2.0 2.1 Dippenaar-Schoeman, A.S.; Haddad, C.R.; Foord, S.H.; Lotz, L.N. (2021). The Gnaphosidae of South Africa. Part 2 (E-S). Version 1. South African National Survey of Arachnida Photo Identification Guide. pp. 29. doi:10.5281/zenodo.7197672. https://doi.org/10.5281/zenodo.7197672. Retrieved 25 September 2025.  This article incorporates text available under the CC BY 4.0 license.
  3. "Genus Leptodrassus". World Spider Catalog. https://wsc.nmbe.ch/genus/952. Retrieved 25 September 2025. 

Wikidata ☰ Q3006313 entry