Uloborus walckenaerius Latreille, 1806
Description
Prosoma densely provided with white hairs, with grey to black longitudinal bands. Sternum black. Legs dark grey-brown to red-brown and vaguely annulated with white. Legs I and II especially long. Metatarsus IV with calamistrum consisting of 30-34 bristles. Opisthosoma whitish grey with continuation of prosoma pattern, fluffy haired.
Body length male: 4-5 mmBody length female: 6-8 mm
Additional information
in warm, open localities, between heath or gorse. Builds horizontal orb webs (diameter 13-18 cm) with cribellate spiral (gleaming bluish), mostly close (10 cm) above ground, sometimes with radial stabilimentum, spider hangs beneath hub. Longish cocoon (70-100 eggs) on border of web
Frequency: Rare
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Figures
Pedipalp
(Drensky 1939)
Pedipalp
(Wiehle 1953)
Pedipalp, ventral view
(Locket & Millidge 1951)
Pedipalp
(Roberts 1995)
Pedipalp
(Loksa 1969)
Pedipalp, anterior view
(Taberlet unpubl.)
Pedipalp, retrolateral view
(Taberlet unpubl.)
Pedipalp, posterior view
(Taberlet unpubl.)
Pedipalp, ventral view
(Taberlet unpubl.)
Epigyne
(Loksa 1969)
Epigyne
(Wiehle 1953)
Epigyne
(Locket & Millidge 1951)
Epigyne
(Crespo et al. 2009b)
Epigyne
(Wiśniewski & Dawidowicz 2017)
Epigyne, ventral view
(Taberlet unpubl.)
Epigyne, lateral view
(Taberlet unpubl.)
Vulva
(Brignoli 1979d)
Vulva
(Wiehle 1953)
Vulva, dorsal view
(Wiśniewski & Dawidowicz 2017)
Vulva, ventral view
(Wiśniewski & Dawidowicz 2017)
Vulva, ventral view
(Taberlet unpubl.)
Vulva, dorsal view
(Taberlet unpubl.)
Vulva, posterior view
(Taberlet unpubl.)
Vulva, anterior view
(Taberlet unpubl.)
Prosoma
(Wiehle 1953)
Habitus, lateral view
(Wiehle 1953)
Habitus
(Loksa 1969)
Habitus, dorsal view
(Drensky 1939)
Prosoma, dorsal view
(Heimer & Nentwig 1991)
Eyes, dorsal view
(Loksa 1969)
Metatarsus IV
(Wiehle 1953)
Spinnerets, cribellum
(Wiehle 1953)
Distribution List
References
Blagoev G, Deltshev C, Lazarov S, Naumova M (2018) The spiders (Araneae) of Bulgaria. Version: August 2018. National Museum of Natural History, Bulgarian Academy of Sciences. Online at http://www.nmnhs.com/spiders-bulgaria/ (accessed on 10.9.2018) 
Bosmans R, Van Keer J, Russell-Smith A, Hadjiconstantis M, Komnenov M, Bosselaers J, Huber S, McCowan D, Snazell R, Decae A, Zoumides C, Kielhorn K-H, Oger P (2019c) Spiders of Cyprus (Araneae). A catalogue of all currently known species from Cyprus. Newsletter of the Belgian Arachnological Society 34, Suppl. 1: 1-173
Bosmans R, Van Keer J, Russell-Smith A, Kronestedt T, Alderweireldt M, Bosselaers J, De Koninck H (2013) Spiders of Crete (Araneae). A catalogue of all currently known species from the Greek island of Crete. Nieuwsbrief van de Belgische Arachnologische Vereniging 28 (Suppl. 1): 1-147
Bosmans R. (unpubl.) Provisional list of spiders of North Africa. Database excerpt Aug. 2019
Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). [N.B.: few records from this paper are not taken over and not commented] Zootaxa 4614: 201-254
Brignoli P M (1979d) Ragni d'Italia XXIX. Dysderidae nuovi o interessanti (Araneae). Bollettino della Società Entomologica Italiana 111: 17-26
Crespo L C, Cardoso P, Henriques S, Gaspar C (2009b) Spiders (Araneae) from Porto Santo (Madeira, Portgal): Additions to the current knowledge. Boletín de la Sociedad Entomologica Aragonesa 45: 471-475
Danışman T, Kunt K B, Özkütük R S (2019) The checklist of the spiders of Turkey. Version 2019 [last updated 1 June 2019], online at http://www.spidersofturkey.info
Deltshev C, Vrenozi B, Blagoev G, Lazarov S (2011b) Spiders of Albania – faunistic and zoogeographical review (Arachnida: Araneae). Acta Zoologica Bulgarica 63: 125-144
Drensky P (1939) Die Spinnenfauna Bulgariens. III. Unterordnung Arachnomorphae, II Gruppe Trionychia; Familien: Urocteidae, Uloboridae, Sicaridae, Pholcidae, Eresidae. Izvestiya na Tsarskite Prirodonauchni Instituti v Sofia 12: 231-252
Heimer S, Nentwig W (1991) Spinnen Mitteleuropas. Paul Parey Berlin
Helsdingen P J van (2013) A quick scan of the spider fauna of the European part of Turkey. Nieuwsbrief SPINED 33: 29-38
Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91
Locket G H, Millidge A F (1951) British spiders. Vol. I. Ray Society, London, 310 pp.
Loksa I (1969) Pokok I-Araneae I. Fauna Hungariae 97: 1-133
Otto S (2020) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 03.2020. Internet: caucasus-spiders.info.
Pantini P, Isaia M (2019) Araneae.it: the online catalog of Italian spiders, with addenda on other arachnid orders occurring in Italy (Arachnida: Araneae, Opiliones, Palpigradi, Pseudoscorpionida, Scorpiones, Solifugae). http://araneae.it. Fragmenta Entomologica 51: 127-152
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
Polchaninova N, Prokopenko E (2019) An updated checklist of spiders (Arachnida: Araneae) of Left-Bank Ukraine. Arachnologische Mitteilungen 57: 60-64 & App
Roberts M J (1995) Collins Field Guide: Spiders of Britain & Northern Europe. HarperCollins, London, 383 pp.
Samu F, Szinetár C (1999) Bibliographic check list of the Hungarian spider fauna. Bulletin of the British Arachnological Society 11: 161-184
Taberlet J-P (unpubl.)
Wiehle H (1953) Spinnentiere oder Arachnoidea (Araneae), IX. Orthognatha-Cribellata-Haplogynae, Entelegynae (Pholcidae, Zodariidae, Oxyopidae, Mimetidae, Nesticidae). Die Tierwelt Deutschlands 42: 1-150
Wiśniewski K, Dawidowicz A (2017) Uloborus walckenaerius and Oxyopes heterophthalmus in Poland (Araneae: Uloboridae, Oxyopidae). Arachnologische Mitteilungen 54: 48-51
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