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 2023): Spain, France, Algeria
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.

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

Domènech M, Méndez Ó, Espigulé-Pons J, Carbonell R, Pinilla-Rosa M (2023) Nuevas citas aracnológicas (Araneae) en Cataluña (NE de la Península Ibérica). Revista Ibérica de Aracnología 42: 159-166 pdf

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

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

16-08-2023 Image insert
16-11-2020 Distribution insert Detail
16-11-2020 Datasheet update Detail
03-02-2017 Image insert