Resources:
Oonopidae  Simon, 1890 / Ischnothyreus  Simon, 1892   3 species

Ischnothyreus velox  Jackson, 1908

Description

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

Probably occasionally mixed up with I. peltifer (Saaristo 2020: 120).

Imported from tropical areas 100 years ago and now established in greenhouses. This species of SE-Asian origin is not native to Europe (alien species). It had been introduced to Europe at least once and did establish.

Distribution
  Presence
  Not established
  No data
Global distribution (WSC 2021): Tropical Asia. Introduced to North, Central, South America, Brazil, Britain, Netherlands, Germany, Egypt, Seychelles, Madagascar, Hawaii
Figures
Distribution List
Egypt   (El-Hennawy, 2017a) ||| Germany   (no references) ||| Netherlands   (no references) ||| United Kingdom   (no references) |||
References

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

El-Hennawy H K (2017a) A list of Egyptian spiders (revised in 2017). Serket 15: 167-183 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

Saaristo M I (2010) Araneae. In: Gerlach J & Marusik Y M (eds.) Arachnida and Myriapoda of the Seychelles islands. Siri Scientific Press, Manchester, pp. 8-306. pdf

WSC (2021) World Spider Catalog. Version 21.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (03.01.2021) doi: 10.24436/2 pdf

Updates
12-01-2021 Distribution update Detail
02-10-2020 Datasheet update Detail
19-02-2019 Distribution update Detail
30-04-2015 Distribution update Detail