Oonopidae  Simon, 1890 / Ischnothyreus  Simon, 1892   3 species

Ischnothyreus velox  Jackson, 1908


Male palp with large spermal porus. Bulbus ventrally with protuberance. Embolus with 2 projections on tip. Epigyne not sclerotised. Prosoma yellow-brown, dark, surface granulated. Tibia I-II with 4 pairs. Metatarsus I-II and patella I-II with 2 pairs of robust spines. Opisthosoma yellow to brown, provided with long hairs, dorsal scuticula brown.

Body length male: 2 mm
Body length female: 2 mm
Additional information

Imported from tropical areas (SE-Asia?) 100 years ago and now established in greenhouses

This species of Asian origin is not native to Europe (alien species). It had been introduced to Europe at least once and did establish.

  Not established
  No data
Global distribution (WSC 2020): Tropical Asia. Introduced to North and Central America, Britain, Netherlands, Germany, Seychelles, Madagascar, Hawaii
Distribution List
Egypt   (Bosmans, unpubl.) ||| Germany   (no references) ||| Netherlands   (no references) ||| United Kingdom   (no references) |||

Bosmans R. (unpubl.) Provisional list of spiders of North Africa. Database excerpt Aug. 2019

Bristowe W S (1948) Notes on the structure and systematic position of oonopid spiders based on an examination of the British species. Proceedings of the Zoological Society of London 118: 878-891 pdf

Locket G H, Millidge A F (1951) British spiders. Vol. I. Ray Society, London, 310 pp. pdf

Saaristo M I (2001) Dwarf hunting spiders or Oonopidae (Arachnida, Araneae) of the Seychelles. Insect Systematics & Evolution 32: 307-358 pdf

World Spider Catalog (2020) World Spider Catalog. Version 21.0. Natural History Museum Bern, online at (20.03.2020) doi: 10.24436/2 pdf

19-02-2019 Distribution update Detail
30-04-2015 Distribution update Detail