Linyphiidae  Blackwall, 1859 / Centromerus  Dahl, 1886   70 species

Centromerus isaiai  Bosmans, 2015


Pedipalp: paracymbium without large teeth. Prosoma yellowish brown, some specimens with greyish fovea, striae and margins. Prosoma length: 1.11-1.13 mm. Chelicerae yellowish brown, promargin with 3 teeth, teeth absent on retromargin. Sternum greyish, speckled with yellowish brown. Legs yellow-brown, apices of tibiae whitish, TmI 0.25. Opisthosoma grey to dark grey,

Body length male: 1.7-2.2 mm

Epigyne: basal part of scapus relatively narrow compared to C. sylvaticus. Prosoma length: 0.79-0.87 mm. Colouration as in male.

Body length female: 1.8-2.2 mm
Additional information

Similar to C. sylvaticus but smaller.

  No data
Global distribution (WSC 2023): France (mainland, Corsica), Italy (Sardinia)
 male  female
Distribution List

"No references" does not mean that the species does not occur in this country, but that we have not yet inserted the reference for it. We are working on it.

France   (Breitling, 2018) ||| France / Corsica   (Bosmans & Colombo, 2015) ||| Italy / Sardinia   (Bosmans & Colombo, 2015) |||

Bosmans R, Colombo M (2015) New species of spiders from Sardinia (Araneae), with ecological notes on Lipocrea epeiroides (O. Pickard-Cambridge, 1872) (Araneae: Araneidae). Arachnology 16: 319-332 pdf

Breitling R (2018) Eric Duffey's spider collection in the Manchester Museum – an update. Newsletter of the British Arachnological Society 141: 5-9 pdf

WSC (2023) World Spider Catalog. Version 24.5. Natural History Museum Bern, online at (25.10.2023) doi: 10.24436/2 pdf

09-06-2020 Distribution update Detail
16-04-2018 Image insert
14-04-2018 Distribution update Detail
13-01-2016 Distribution update Detail
13-01-2016 Image insert