Gonatium occidentale Simon, 1918
Description
Male
Prosoma orange-brown, with darker markings and margins. Raised anteriorly, with short sulci behind the lateral eyes. Opisthosoma black. Sternum orange-brown. Legs orange-brown, with tarsi rather paler. Palp: tibial apophyses and the lateral apophyses crossing each other, while the basal, wart-bearing apophysis is not rounded.
Prosoma length: 1.2 mm.
Body length male: 2.2 mmFemale
Colouration as in male. Epigyne: genital openings wide and
approximately circular in shape.
Prosoma length: 1.0 mm.
Body length female: 2.35 mmDistribution
Figures
Pedipalp
(Millidge 1981b)
Pedipalp, retrolateral view
(Bosmans 2007)
Pedipalp, retrolateral view
(Morano et al. 2021)
Embolic division, mesal view
(Bosmans 2007)
Cymbium
(Millidge 1981b)
Palpal tibia, dorsal view
(Bosmans 2007)
Epigyne
(Millidge 1981b)
Epigyne, ventral view
(Bosmans 2007)
Epigyne
(Morano et al. 2021)
Vulva
(Millidge 1981b)
Vulva, ventral view
(Bosmans 2007)
Distribution List
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 (2007) Contribution to the knowledge of the Linyphiidae of the Maghreb. Part XII. Miscellaneous erigonine genera and additional records (Araneae: Linyphiidae: Erigoninae). Bulletin & Annales de la Société Entomologique de Belgique 143: 117-163
Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254
Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468
Millidge A F (1981b) A revision of the genus Gonatium (Araneae, Linyphiidae). Bulletin of the British Arachnological Society 5: 253-277
Morano E, Canelo T, Gaytán Á, Pérez-Izquierdo C, Bonal R (2021) Arañas (Arachnida: Araneae) en encinares centro-occidentales de la Península Ibérica. Revista Ibérica de Aracnología 39: 81-103
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (13.2.2026) doi: 10.24436/2