Silometopus ambiguus (O. Pickard-Cambridge, 1906)
Description
Tibial apophysis with short, straight process. Prosoma brown to dark brown, radial stripes and margin black. Legs yellow-brown. Opisthosoma black, leather-like.
Body length male: 1.3-1.6 mmBody length female: 1.5-2.2 mm
Additional information
Almost only in coastal areas
Figures by Wiehle (1960a) und Locket & Millidge (1953) of Silometopus curtus have been transferred to Silometopus ambiguus because of misidentification (Locket et al. 1974, Blick 2014)
Character states from linyphiid key
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
 |  |
Figures
Pedipalp
(Roberts 1987)
Pedipalp
(Wiehle 1960a)
Pedipalp
(Wiehle 1960a)
Pedipalp, retrolateral view
(Løvbrekke unpubl.)
Palpal tibia
(Roberts 1987)
Palpal tibia, dorsal view
(Løvbrekke unpubl.)
Palpal tibia, dorsal view
(Bosmans & Samu 2020)
Tibial apophysis
(Locket & Millidge 1953)
Tibial apophysis
(Wiehle 1960a)
Tibial apophysis
(Locket & Millidge 1953)
Prosoma, lateral view
(Heimer & Nentwig 1991)
Prosoma, lateral view
(Roberts 1987)
Epigyne
(Heimer & Nentwig 1991)
Epigyne
(Roberts 1987)
Epigyne
(Roberts 1987)
Epigyne
(Roberts 1987)
Epigyne
(Roberts 1987)
Epigyne
(Locket & Millidge 1953)
Epigyne
(Wiehle 1960a)
Epigyne
(Locket & Millidge 1953)
Epigyne
(Løvbrekke unpubl.)
Epigyne
(Bosmans & Samu 2020)
Vulva
(Heimer & Nentwig 1991)
Vulva
(Locket et al. 1974)
Vulva
(Wiehle 1960a)
Vulva, ventral view
(Løvbrekke unpubl.)
Vulva, dorsal view
(Fjellberg unpubl.)
Vulva, ventral view
(Bosmans & Samu 2020)
Distribution List
References
Aakra K, Hauge E (2003) Checklist of Norwegian spiders (Arachnida: Araneae), including Svalbard and Jan Mayen. Norwegian Journal of Entomology 50: 109-129 
Agnarsson I (1996) Íslenskar köngulær Fjölrit Náttúrufræðistofnunar 31: 1-175
Blick T (2014) The long-lasting story of the wrong naming of Silometopus ambiguus as S. curtus (Araneae: Linyphiidae). Arachnologische Mitteilungen 47: 45-48
Bosmans R, Samu F (2020) Confirmation of Silometopus curtus (Araneae: Linyphiidae) in Hungary. Arachnologische Mitteilungen 60: 27-29
Deltshev C, Vrenozi B, Blagoev G, Lazarov S (2011b) Spiders of Albania – faunistic and zoogeographical review (Arachnida: Araneae). Acta Zoologica Bulgarica 63: 125-144
Fjellberg A (unpubl.)
Heimer S, Nentwig W (1991) Spinnen Mitteleuropas. Paul Parey Berlin
Koponen S, Fritzén N R, Pajunen T (2016) Checklist of spiders in Finland (Araneae). 6th version, December 2016, online at http://biolcoll.utu.fi/arach/checklist_of_spiders_in_Finland.htm
Lissner J, Jensen J-K, Hansen L J, Simonsen W, Kelduni R, Nissen K (2016b) An updated checklist of spiders (Araneae) of the Faroe Islands. Norwegian Journal of Entomology 63: 197-240
Locket G H, Millidge A F (1953) British spiders. Vol. II. Ray Society, London, 449 pp.
Locket G H, Millidge A F, Merrett P (1974) British Spiders, Volume III. Ray Society, London, 315 pp.
Løvbrekke H (unpubl.)
Nekhaeva A A (2020) On the spider fauna (Arachnida: Aranei) of the Kanin Peninsula and Kolguev Island, Nenets Autonomous Okrug, Russia. Arthropoda Selecta 29: 387-398
Roberts M J (1987) The spiders of Great Britain and Ireland. Volume 2: Linyphiidae and checklist. Harley Books Colchester, England, 204 pp.
Wiehle H (1960a) Spinnentiere oder Arachnoidea (Araneae). XI. Micryphantidae-Zwergspinnen. Die Tierwelt Deutschlands 47: 1-620
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