Linyphiidae  Blackwall, 1859 / Diplocephalus  Bertkau, 1883   39 species

Diplocephalus cristatus  (Blackwall, 1833)

Description

Tibial apophysis with transverse, pointed process. Epigyne with inner margins of epigynal plate ± parallel, not touching each other. Epigynal plates anteriorly not distinctly marked off, very variable. Prosoma brown to dark brown, male: both head processes ± equal. Legs brown to red-brown. Opisthosoma grey-black.

Body length male: 1.7-2.2 mm
Body length female: 1.7-2.5 mm
Additional information

In open plains, in forest edges and in gardens.

Morph cristatus is widely distributed, morph foraminifer only in southern parts of Europe.

Frequency: Very frequent

Character states from linyphiid key
Distribution
  Presence
  No data
Global distribution (WSC 2020): Europe, Russia (Europe to Far East), Kazakhstan. Introduced to North America, Falkland Is., New Zealand. N.B.: morph foraminifer only in: Spain, France, Switzerland, Italy, Bosnia and Herzegovina, Montenegro, Serbia, Romania, North Macedonia, Bulgaria, Greece
Phenology
JanFebMarAprMayJunJulAugSepOctNovDec
 male  female
Figures
Distribution List
Albania   (Kůrka et al., 2020) ||| Austria   (no references) ||| Azerbaijan   (Otto, 2020) ||| Belarus   (Ivanov, 2013) ||| Belgium   (no references) ||| Bosnia and Herzegovina   (Naumova et al., 2016a) ||| Bulgaria   (Blagoev et al., 2018) ||| Croatia   (no references) ||| Czechia   (no references) ||| Denmark   (no references) ||| Estonia   (no references) ||| Faroe Islands   (Lissner et al., 2016b) ||| Finland   (Koponen et al., 2016) ||| France   (no references) ||| Germany   (no references) ||| Greece   (no references) ||| Hungary   (Samu & Szinetár, 1999) ||| Iceland   (Agnarsson, 1996) ||| Ireland   (no references) ||| Italy   (Pantini & Isaia, 2019) ||| Liechtenstein   (no references) ||| Lithuania   (no references) ||| Luxembourg   (Kreuels et al., 2019) ||| Montenegro   (no references) ||| Netherlands   (no references) ||| North Macedonia   (Komnenov, 2014) ||| Northern Ireland   (no references) ||| Norway   (Aakra & Hauge, 2003) ||| Poland   (no references) ||| Romania   (no references) ||| Russia, Central   (no references) ||| Russia, Eastern   (no references) ||| Russia, Northern   (Esyunin & Kazantsev, 2008) ||| Russia, Western   (no references) ||| Serbia   (no references) ||| Slovakia   (no references) ||| Slovenia   (Kostanjšek & Kuntner, 2015) ||| Spain   (Branco et al., 2019) ||| Sweden   (Kronestedt, 2001) ||| Switzerland   (no references) ||| Turkey (Asia)   (Danışman et al., 2019) ||| Ukraine   (Polchaninova & Prokopenko, 2019) ||| United Kingdom   (no references) |||
References

Aakra K, Hauge E (2003) Checklist of Norwegian spiders (Arachnida: Araneae), including Svalbard and Jan Mayen. Norwegian Journal of Entomology 50: 109-129 pdf

Agnarsson I (1996) Íslenskar köngulær Fjölrit Náttúrufræðistofnunar 31: 1-175 pdf

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) pdf

Bosmans R, Oger P (2018) On two cases of male dimorphism in dwarf spiders (Araneae: Linyphiidae). Arachnologische Mitteilungen 55: 52-56 pdf

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 pdf

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 pdf

Deltshev C (1985a) A contribution to the study of the family Erigonidae (Araneae) from Pirin Mountain, Bulgaria, with a description of a new species (Metopobactrus orbelicus sp. n.). Bulletin of the British Arachnological Society 6: 359-366 pdf

Deltshev C, Komnenov M, Blagoev G, Georgiev T, Lazarov S, Stojkoska E, Naumova M (2013) Faunistic diversity of spiders (Araneae) in Galichitsa Mountain (FYR Macedonia). Biodiversity Data Journal 1(e977): 1-70 pdf

Denis J (1948b) Araignées de France. II. Araignées des Monts Dore. Revue Française d'Entomologie 15: 236-249 pdf

Esyunin S L, Kazantsev D K (2008) On the spider (Aranei) fauna of the Pechoro-Ilychskiy Reserve (north Urals), with the description of a new Agroeca species (Liocranidae). Arthropoda Selecta 16: 245-250 pdf

Georgescu M (1969a) Contribution à l'étude des espèces appartenant au genre Diplocephalus Bertk (Micriphantidae). Acta Zoologica Cracoviensia 14: 203-215 pdf

Georgescu M (1973b) Sur le développement post-embryonnaire du Diplocephalus cristatus Blackwall-groupe de formes foraminifer (Araneae, Micryphantidae). Livre cinquantenaire Inst. Spéol. Emile Racovitza, pp. 259-268 pdf

Hänggi A, Gloor D (2020) Vom Wert alter Amateursammlungen – vier Spinnenarten neu für die Schweiz in der Sammlung Ketterer. Arachnologische Mitteilungen 59: 88-96 pdf

Holm Å (1973) On the Spiders collected during the Swedish Expeditions to Novaya Zemlya and Yenisey in 1875 and 1876. Zoologica Scripta 2: 71-110 pdf

Ivanov V V (2013) The checklist of Belarusian spiders (Arachnida, Araneae). Zoology and Ecology 4: 293-311 pdf

Komnenov M (2014) Spider fauna of the Osogovo Mt. Range, Northeastern Macedonia. Fauna Balkana 2: 1-267 pdf

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 pdf

Kostanjšek R, Kuntner M (2015) Araneae Sloveniae: a national spider species checklist. ZooKeys 474: 1-91 pdf

Kreuels M, Staudt A, Christian S (2019) Die Spinnenfauna von Luxemburg – eine Zusammenstellung der Nachweise aus den Jahren 1906-2018 (Arachnida: Araneae). Bulletin de la Société des naturalistes luxembourgeois 121: 203-230 pdf

Kronestedt T (2001) Checklist of Spiders (Araneae) in Sweden [Preliminary version February 2001] pdf

Kůrka A, Naumova M, Indzhov S, Deltshev C (2020) New faunistic and taxonomic data on the spider fauna of Albania (Arachnida: Araneae). Arachnologische Mitteilungen 59: 8-21 pdf

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 pdf

Locket G H, Millidge A F (1953) British spiders. Vol. II. Ray Society, London, 449 pp. pdf

Løvbrekke H (unpubl.)

Naumova M V, Lazarov S, Petrov B, Deltshev C (2016a) New faunistic data on the cave-dwelling spiders in the Balkan Peninsula (Araneae). Ecologia Montenegrina 7: 425-438 pdf

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 pdf

Polchaninova N, Prokopenko E (2019) An updated checklist of spiders (Arachnida: Araneae) of Left-Bank Ukraine. Arachnologische Mitteilungen 57: 60-64 & App pdf

Roberts M J (1987) The spiders of Great Britain and Ireland. Volume 2: Linyphiidae and checklist. Harley Books Colchester, England, 204 pp. pdf

Samu F, Szinetár C (1999) Bibliographic check list of the Hungarian spider fauna. Bulletin of the British Arachnological Society 11: 161-184 pdf

Simon E (1884a) Les arachnides de France 5 (2/3). Pl XXVI - XXVII Paris (Roret): 181-885 pdf

Simon E (1926) Les arachnides de France. Synopsis générale et catalogue des espèces françaises de l'ordre des Araneae. Tome VI. 2e partie. Roret, Paris, 309-532 pdf

Staudt A, Weber D, Nährig D (2013) Webspinnen (Arachnida,  Araneae) aus Höhlen des Großherzogtums Luxemburg. Ferrantia 69: 115-157 pdf

Wiehle H (1960a) Spinnentiere oder Arachnoidea (Araneae). XI. Micryphantidae-Zwergspinnen. Die Tierwelt Deutschlands 47: 1-620 pdf

World Spider Catalog (2020) World Spider Catalog. Version 21.0. Natural History Museum Bern, online at http://wsc.nmbe.ch (20.03.2020) doi: 10.24436/2 pdf

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