Arctosa lacustris (Simon, 1876)
Description
Male
Prosoma brownish, eye field dark. Sternum brownish, with lighter median area. Opisthosoma dorsally brown with yellowish brown spots, ventrally lighter. Legs yellowish brown with dark annulations.
Prosoma length: 3.5 mm, prosoma width: 2.6 mm.
Female
Often lighter coloured than in male, markings as in male.
Prosoma length: 3.8 mm, prosoma width: 2.9 mm.
Body length female: 10.3 mmDistribution
Figures
Pedipalp, ventral view
(Lugetti & Tongiorgi 1969)
Pedipalp
(Lugetti & Tongiorgi 1965)
Pedipalp, ventral view
(Simon 1937)
Pedipalp, ventral view
(Hepner & Paulus 2009)
Pedipalp with Tibia, retrolateral view
(Bosselaers 2018)
Pedipalp with Tibia, ventral view
(Bosselaers 2018)
Pedipalp, ventral view
(Bosselaers 2018)
Pedipalp, retrolateral view
(Gaymard & Lecigne 2018)
Pedipalp, ventral view
(Gaymard & Lecigne 2018)
Epigyne, ventral view
(Simon 1937)
Epigyne, ventral view
(Hepner & Paulus 2009)
Epigyne, ventral view
(Lugetti & Tongiorgi 1965)
Epigyne
(Bosselaers 2018)
Vulva, dorsal view
(Hepner & Paulus 2009)
Habitus
(Lugetti & Tongiorgi 1965)
-- Caption missing --
(Bosselaers 2018)
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
Bosselaers J (2018) Spiders (Arachnida, Araneae) of the Gavarres (Catalonia, Spain) and the adjacent coastal region - part I: 2012-2013. Newsletter of the Belgian arachnological Society 33(Suppl.): 1-103
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
Gaymard M, Lecigne S (2018) Contribution à la connaissance de l'aranéofaune (Araneae) du Gard et en particulier du massif des Gorges du Gardon (Occitanie, France). Bulletin de l'Association Française d'Arachnologie 1: 1-39
Hepner M, Paulus H F (2009) Contributions on the wolf spider fauna (Araneae, Lycosidae) of Gran Canaria (Spain). Bulletin of the British Arachnological Society 14: 339-346
Isaia M, Tolve M, Pantini P (2025) Araneae.it: 2.0: the new updated version of the digital catalog of the Italian spiders and other arachnids (Arachnida: Araneae, Opiliones, Scorpiones, Pseudoscorpiones, Palpigradi, Solifugae). Fragmenta Entomologica 57: 197-204
Kmira G, Nasri-Ammar, Petillon J, Bosmans R (2025) Catalog of the spiders of Tunisia (Arachnida: Araneae). Zootaxa 5641: 1-95
Le Peru B (2007) Catalogue et répartition des araignées de France. Revue Arachnologique 16: 1-468
Lugetti G, Tongiorgi P (1965) Revisione delle specie italiane dei generi Arctosa C. L. Koch e Tricca Simon con note su una Acantholycosa della Alpi Giulie (Aran. Lycosidae). Redia 49: 165-228
Lugetti G, Tongiorgi P (1969) Ricerche sul genere Alopecosa Simon (Araneae-Lycosidae). Atti della Società Toscana di Scienze Naturali B76: 1-100
Pfliegler W A, Schönhofer A, Niedbała W, Vella P, Sciberras A, Vella A (2017) New records of mites (Acari) and harvestmen (Opiliones) from Malta with a preliminary checklist of Maltese Arachnida. Soil Organisms 89: 85-110
Simon E (1937) Les arachnides de France 6 (5). Paris (Roret): 979-1298
WSC (2026) World Spider Catalog. Version 27. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.5.2026) doi: 10.24436/2