Thomisidae  Sundevall, 1833 / Firmicus  Simon, 1895   2 species

Firmicus bivittatus  Simon, 1895


Prosoma and sternum black. Antrior legs (except metatarsi and tarsi) black, metatarsi and tarsi I-IV pale yellow. Opisthosoma: dorsum white, with 2 broad, black longitudinal bands, venter blackish brown, with a white line on each side.


Prosoma yellowish brown, ocular area and clypeus brown, with a thin black marginal line and 2 black longitudinal bands. Sternum yellowish brown. Anterior legs blackish, metatarsi and tarsi red-brown, femur II lighter, posterior legs yellowish brown. Opisthosoma long, dirty white, dorsum with 2 thin black bands, slightly undulating.

Frequency: very rarely collected

  No data
Global distribution (WSC 2021): Spain, France, Algeria
Distribution List
Algeria   (Deltshev, 2017) ||| France   (no references) ||| Spain   (Branco et al., 2019) |||

Branco V V, Morano E, Cardoso P (2019) An update to the Iberian spider checklist (Araneae). Zootaxa 4614: 201-254 pdf

Deltshev C (2017) Redescription of the poorly known crab spider Firmicus bivittatus (Araneae: Thomisidae). Arachnologische Mitteilungen 53: 9-11 pdf

Simon E (1932) Les arachnides de France 6 (4). Paris (Roret): 773-978 pdf

WSC (2021) World Spider Catalog. Version 22.5. Natural History Museum Bern, online at (22.09.2021) doi: 10.24436/2 pdf

16-11-2020 Distribution insert Detail
16-11-2020 Datasheet update Detail
03-02-2017 Image insert