Bulb: theridiid tegular apophysis bifid, median apophysis sickle-shaped with pointed tip. Prosoma 0.65-0.76 mm long. Characters as in female.Body length male: 1.6-1.7 mm
Epigyne: median depression appears to be relatively smaller in T. hannoniae than in T. pyrenaeum. Prosoma yellowish brown to dark brown, 0.62-0.86 mm long. Sternum uniform dark red-brown. Legs grey-white to yellowish, distinctly annulated. Opisthosoma variable, grey with folium or dark grey, brighter spots, ventrally grey with 2 brighter spots anterior of spinnerets.Body length female: 1.6-2.4 mm
Almost always among large stones, in scree slopes, quarries, dykes on river banks and dry chalk rocks. Altitude up to 2000 m.
Bosmans R, Vanuytven H, Van Keer J (1994) On two poorly known Theridion species, recently collected in Belgium for the first time (Araneae: Theridiidae). Bulletin of the British Arachnological Society 9: 236-240
Bosmans R. (unpubl.) Provisional list of spiders of North Africa. Database excerpt Aug. 2019
Crespo L C, Cardoso P, Henriques S, Gaspar C (2009b) Spiders (Araneae) from Porto Santo (Madeira, Portgal): Additions to the current knowledge. Boletín de la Sociedad Entomologica Aragonesa 45: 471-475
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