Linyphiidae  Blackwall, 1859 / Diplocephalus  Bertkau, 1883   35 species

Diplocephalus arnoi  Isaia, 2005


Posterior median eyes on distinct lobe. Palp: highly enlarged and ventrally pointing anterior radical process. Massively broadened radical tailpiece tip with an inner thickening. Double folded prolateral tibial apophysis, retrobasal striated glabrous bump emerging from cymbium, retrolateral side of anterior radical process bears striations. Prosoma length: 0.9 mm, prosoma width: 0.7 mm.


Prosoma without protuberance, slightly concave anteriodorsally. Epigyne with paired inner longitudinal narrow lobes. Prosoma length: 0.8 mm, prosoma width: 0.6 mm.

  No data
Global distribution (WSC 2019): Italy

Frick H, Isaia M (2012) Comparative description of the Mediterranean erigonine spider Diplocephalus guidoi n. sp. (Araneae, Linyphiidae). Zootaxa 3475: 65-68

Helsdingen P J van (2010a) Araneae. In: Fauna Europaea Database (Version 2010.1), online at

Isaia M (2005) Diplocephalus arnoi n. sp., un nuovo Linyphiidae d'Abruzzo (Araneae). Fragm ent 37: 1-7

Pantini P, Isaia M (2018) Checklist of the Italian spiders (version June 2018). online at pdf

World Spider Catalog (2019) World Spider Catalog, version 20.0. Natural History Museum Bern, online at (20.01.2019) doi: 10.24436/2

13-06-2016 Datasheet update Old value
19-03-2013 Image insert