Diplocephalus graecus (O. P.-Cambridge, 1873)
Description
Male
Prosoma dark grey-brown, with a darker area between eyes and fovea, and with darker radiating striae, cephalic lobe low, narrow sulcus behind posterior lateral eye. Chelicerae dark yellow-brown. Sternum dark brown, almost black. Legs yellow-brown. Opisthosoma dark grey with some small lighter spots.
Body length male: 1.5-1.9 mmFemale
Colouration as in males, except palps yellow, suffused with grey, legs pale yellow to yellow-brown.
Body length female: 1.8-2.2 mmAdditional information
Since a few decades, this species shows some spreading tendencies within Europe. Nevertheless, it shall not be listed as alien or invasive because it is native for Europe.
Character states from linyphiid key
Distribution
Phenology
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
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Figures
Pedipalp
(Bosmans 1996)
Pedipalp, retrolateral view
(Denis 1945a)
Palpal tibia
(Bosmans 1996)
Prosoma, lateral view
(Bosmans 1996)
Epigyne
(Bosmans 1996)
Epigyne, ventral view
(Denis 1945a)
Epigyne, variation, ventral view
(Denis 1945a)
Epigyne, variation, ventral view
(Denis 1945a)
Epigyne, variation, ventral view
(Denis 1945a)
Vulva
(Bosmans 1996)
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 (1996) The genera Araeoncus Simon, Delorripis Simon and Diplocephalus Bertkau in northern Africa (Araneae: Linyphiidae: Erigoninae): Studies on North African Linyphiidae VII.
Belg J Zool 2126: 123-151
Bosmans R, Van Keer J, Russell-Smith A, Kronestedt T, Alderweireldt M, Bosselaers J, De Koninck H (2013) Spiders of Crete (Araneae). Nieuwsbr Belg Arachnol Ver 28: 1-147
Dawson I K, Merrett P, Russell-Smith A (2011) Diplocephalus graecus (O. P.-Cambridge, 1872) from three localities in Britain (Araneae: Linyphiidae). Bull Br arachnol Soc 15: 211-212
Denis J (1945a) Notes sur les érigonides. X. Remarques sur le genre Entelecara E. Simon avec la description de formes nouvelles du genre Plaesiocraerus E. Simon. Bull Soc Hist nat Toulouse 80: 203-215
Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at www.european-arachnology.org
Komnenov M (2014) Spider fauna of the Osogovo Mt. Range, Northeastern Macedonia. Fauna Balkana 2: 1-267
Pantini P, Isaia M (2017) Checklist of the Italian spiders (version May 2017). online at http://www.museoscienzebergamo.it/web/index.php?option=com_content&view=category&layout=blog&id=96&Itemid=94 
World Spider Catalog (2018) World Spider Catalog, version 19.5. Natural History Museum Bern, online at http://wsc.nmbe.ch (15.07.2018) doi: 10.24436/2