Resources:
Segestriidae  Simon, 1893 / Ariadna  Audouin, 1826   9 species

Ariadna algarvensis  Wunderlich, 2011

Description
Male

Prosoma medium to dark grey to almost black, sometimes chestnut-brown. Prosoma length: 1.9-2.4 mm. Opisthosoma grey, with a white lateral band.

Body length male: 3.8-4.8 mm
Female

Legs I-II distal to patella darkened.

Body length female: 6.0-10.0 mm
Distribution
  Presence
  No data
Distribution comment: Probably in Spain (Lozano 2018)
Global distribution (WSC 2020): Portugal
Figures
Distribution List
Portugal   (Branco et al., 2019) ||| Spain   (Branco et al., 2019) |||
References

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

Lozano J A (2018) Contribución al conocimiento de las Arañas (Araneae) de la provincia de Badajoz (Extremadura, España). Revista Ibérica de Aracnología 32: 21-30 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

Wunderlich J (2011a) Extant and fossil spiders (Araneae). Heutige und fossile Spinnen. Beiträge zur Araneologie 6: 1-640 pdf