Theridiidae  Sundevall, 1833 / Simitidion  Wunderlich, 1992   3 species

Simitidion lacuna  Wunderlich, 1992

Description
Male

Palp: embolus partly enclosed by the large conductor. Prosoma 0.82-1.2 mm long. Characters as in female, but opisthosoma dorsally red-brown, with an indistinct light patch. Epigastric area strongly bulging.

Body length male: 1.8-3 mm
Female

Prosoma yellowish, with a dark median band. Prosoma 0.8-1.2 mm long. Sternum yellowish. Eyes: AME as large as PME. Chelicerae: promargin without teeth. Legs yellowish, with more or less clear annulations, metatarsus III without trichobothrium. Opisthosoma dorsally with a large angular yellow patch, bordered with brown, posteriorly with a yellowish median band, laterally greenish with 2 brown bands, ventrally brownish, with some white dots in front of spinnerets.

Body length female: 2.3-3.6 mm
Distribution
  Presence
  No data
Global distribution (WSC 2025): Canary Is., Spain, North Africa, Israel
Figures
Distribution List

"No references" does not mean that the species does not occur in this country, but that we have not yet inserted the reference for it. We are working on it.

Algeria   (Benhacene et al., 2023) ||| Libya   (Elkrew et al., 2024; Bosmans & Van Keer, 2012b) ||| Morocco   (Benhalima & Bosmans, 2024) ||| Portugal   (Branco et al., 2019) ||| Spain   (Branco et al., 2019) ||| Tunisia   (Bosmans & Van Keer, 2012b) |||
References

Benhacene R, Adjami A, Hadjeb A, Kermiche K, Ouakid M L (2023) Bibliographic checklist of the Algerian spider fauna (Araneae). Zootaxa 5352: 301-357 pdf

Benhalima S, Bosmans R (2024) First historical checklist of spiders (Arachnida: Araneae) from Morocco, between 1840–2024. Zootaxa 5555: 407-535 pdf

Bosmans R, Van Keer J (2012b) A review and new records of the comb-footed spiders in North Africa (Araneae: Theridiidae). Serket 13: 128-168 pdf

Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254 pdf

Elkrew H, Hamza A, Ghana S, Shaibi T, Swehli A I, Elmareme H, Ahmad A (2024) Checklist of the spiders (Araneae) of Libya. Pakistan Journal of Life and Social Sciences 22: 19346-19369 pdf

Lecigne S, Moutaouakil S, Lips J (2025) Contribution to the knowledge of the spider fauna of Morocco (Arachnida: Araneae) – second note. On new species and new records from caves and miscellaneous terrestrial ecosystems. Journal of the Belgian Arachnological Society 40(1, supplement): 1-184 pdf

Levy G, Amitai P (1982a) The comb-footed spider genera Theridion, Achaearanea and Anelosimus of Israel (Araneae: Theridiidae). Journal of Zoology, London 196: 81-131 pdf

WSC (2025) World Spider Catalog. Version 26. Natural History Museum Bern, online at http://wsc.nmbe.ch (28.2.2025) doi: 10.24436/2 pdf

Wunderlich J (1992a) Die Spinnen-Fauna der Makaronesischen Inseln: Taxonomie, Ökologie, Biogeographie und Evolution. Beiträge zur Araneoleologie 1: 1-619 pdf

Updates
27-05-2025 Image insert
26-05-2025 Distribution update Detail
15-05-2025 Image insert
15-05-2025 Distribution update Detail