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
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.
Global distribution (WSC 2021):
Tropical Asia. Introduced to North, Central, South America, Brazil, Britain, Netherlands, Germany, Egypt, Seychelles, Madagascar, Hawaii
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
El-Hennawy H K (2017a) A list of Egyptian spiders (revised in 2017). Serket 15: 167-183
Locket G H, Millidge A F (1951) British spiders. Vol. I. Ray Society, London, 310 pp.
Saaristo M I (2001) Dwarf hunting spiders or Oonopidae (Arachnida, Araneae) of the Seychelles. Insect Systematics & Evolution 32: 307-358
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.
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