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 mmFemale
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 mmDistribution
Figures
Pedipalp, prolateral view
(Levy & Amitai 1982a)
Pedipalp, ventral view
(Levy & Amitai 1982a)
Pedipalp, retrolateral view
(Levy & Amitai 1982a)
Pedipalp, ventral view
(Wunderlich 1992a)
Embolus, ventral view
(Wunderlich 1992a)
Embolus and conductor, ventro-prolateral view
(Wunderlich 1992a)
Epigyne
(Levy & Amitai 1982a)
Epigyne
(Wunderlich 1992a)
Epigyne
(Wunderlich 1992a)
Vulva, dorsal view
(Levy & Amitai 1982a)
Vulva, dorsal view
(Lecigne et al. 2025)
Vulva, dorsal view
(Wunderlich 1992a)
Habitus
(Levy & Amitai 1982a)
Habitus, dorsal view
(Lecigne et al. 2025)
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.
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 
Benhalima S, Bosmans R (2024) First historical checklist of spiders (Arachnida: Araneae) from Morocco, between 1840–2024. Zootaxa 5555: 407-535
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
Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254
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
Kmira G, Nasri-Ammar, Petillon J, Bosmans R (2025) Catalog of the spiders of Tunisia (Arachnida: Araneae). Zootaxa 5641: 1-95
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
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
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2
Wunderlich J (1992a) Die Spinnen-Fauna der Makaronesischen Inseln: Taxonomie, Ökologie, Biogeographie und Evolution. Beiträge zur Araneoleologie 1: 1-619