Palp : the embolus is shorter than in S. senoculata, and not bifurcal. Palp with blunt tip of bulbus. Prosoma black. Sternum red-brown to dark brown-black. Metatarsus I laterally with one pair of spines. Opisthosoma black, sometimes appearing grey due to bright hairs.Body length male: 10-15 mm
Sternum reddish-brown to dark brown, as coxa. Clypeus as wide as or wider than diameter of anterior lateral eyes. Chelicerae with a metallic green sheen. Leg I black, legs II, III and IV reddish-brown, without annulations in adults, metatarsus I with one short median ventral spine at apex, one pair of ventrolateral spines, and close to the pair a single median spine. Opisthosoma: in adults, uniform blackish-brown with a purplish sheen, dorsally a lobed band scarcely distinct, in juveniles the opisthosoma is lighter and the dorsal band much more distinct.Body length female: 14-22 mm
Juveniles of S. florentina look like adults of S. bavarica. In forests, under barks and stones, rock crevices, stone walls, semi-dry grasslands, littoral, under shingle, in houses.
Blagoev G, Deltshev C, Lazarov S, Naumova M (2018) The spiders (Araneae) of Bulgaria. Version: August 2018. National Museum of Natural History, Bulgarian Academy of Sciences. Online at http://www.nmnhs.com/spiders-bulgaria/ (accessed on 10.9.2018)
Bosmans R, Van Keer J, Russell-Smith A, Hadjiconstantis M, Komnenov M, Bosselaers J, Huber S, McCowan D, Snazell R, Decae A, Zoumides C, Kielhorn K-H, Oger P (2019c) Spiders of Cyprus (Araneae). A catalogue of all currently known species from Cyprus. Newsletter of the Belgian Arachnological Society 34, Suppl. 1: 1-173
Bosmans R. (unpubl.) Provisional list of spiders of North Africa. Database excerpt Aug. 2019
Danışman T, Kunt K B, Özkütük R S (2021a) The checklist of the spiders of Turkey. Version 2021 [last updated 1 January 2021], online at http://www.spidersofturkey.info
Kovács G, Szinetár C (2004) Az olasz darócpók, Segestria florentina (Rossi, 1790), (Araneae, Segestriidae) előkerülése Magyarországon [The first record of Segestria florentina from Hungary]. Folia Entomologica Hungarica 65: 234-238
Nolan M (2008) First records of three spider species in Ireland (Araneae): Glyphesis cottonae (La Touche), Mioxena blanda (Simon) (Linyphiidae) and Segestria florentina (Rossi) (Segestriidae). Bulletin of the Irish Biogeographical Society 32: 132-141
Otto S (2020) Caucasian spiders. A faunistic database on the spiders of the Caucasus Ecoregion. Database version 03.2020. Internet: caucasus-spiders.info.
Pantini P, Isaia M (2019) Araneae.it: the online catalog of Italian spiders, with addenda on other arachnid orders occurring in Italy (Arachnida: Araneae, Opiliones, Palpigradi, Pseudoscorpionida, Scorpiones, Solifugae). Fragmenta Entomologica 51: 127-152