Theridiidae Sundevall, 1833

Family |   ACCEPTED
N.B.: considered a senior synonym of Hadrotarsidae Thorell, 1881: 190 (sub Hardotarsoidae, removed from the synonymy of Oonopidae by Roewer, 1963a: 122, contra Roewer, 1942a: 287) by Forster, Platnick & Coddington, 1990: 111 (after Wunderlich, 1978a: 25 and Wunderlich, 1986: 95, contra Baert, 1984a: 615 and Davies, 1985: 67), who recognized an expanded Hadrotarsinae as well as a separate subfamily Spintharinae Simon, 1894a: 512 (sub Spinthareae); the subfamily Theonoeinae Simon, 1894a: 586 (sub Theonoeae) (synonym Pholcommatinae Simon, 1894a: 589, sub Pholcommateae), which include Theonoe Simon, 1881, Carniella Thaler & Steinberger, 1988, Robertus O. Pickard-Cambridge, 1879 and Pholcomma Thorell, 1869, is circumscribed by Eskov & Marusik, 2024: 51; Eskov & Marusik, 2024: 52 also mention the subfamilies Argyrodinae Simon, 1881a: 14 (sub Argyrodini) and Latrodectinae Petrunkevitch, 1928: 117 (junior synyonym of Dipoeninae Simon, 1894a: 561, sub Dipoeneae).
Gen. Paidiscura Archer, 1950 urn:lsid:nmbe.ch:spidergen:00709
type Theridion pallens Blackwall, 1834; gender feminine
N.B.: removed from the synonymy of Theridion Walckenaer, 1805 by Wunderlich, 1987a: 214, contra Levi, 1957a: 19.

Transferred to other genera:

Paidiscura genistae (Simon, 1873) -- see Theridion

Paidiscura genistae turanica (Charitonov, 1946) -- see Theridion

Paidiscura musiva (Simon, 1873) -- see Ruborridion

Paidiscura pinicola (Simon, 1873) -- see Theridion

In synonymy:

Paidiscura albens (Blackwall, 1841) = Paidiscura pallens (Blackwall, 1834) (Thorell, 1873: 438, sub Theridion)

Paidiscura bigibba (O. Pickard-Cambridge, 1912) = Paidiscura dromedaria (Simon, 1880) (Wunderlich, 1977a: 290, sub Theridion)

Paidiscura caboverdensis (Schmidt & Piepho, 1994, T from Achaearanea) = Paidiscura dromedaria (Simon, 1880) (Schmidt & Krause, 1996: 263)

Paidiscura caninotata (Bösenberg & Strand, 1906, T from Dipoena) = Paidiscura subpallens (Bösenberg & Strand, 1906) (Yoshida, 1988: 25, sub Theridion)

Paidiscura hystrica (C. L. Koch, 1837, T from Micryphantes) = Paidiscura pallens (Blackwall, 1834) (Simon, 1881a: 107, sub Theridion)

Paidiscura minima (Wider, 1834) = Paidiscura pallens (Blackwall, 1834) (Thorell, 1873: 438, sub Theridion)

Paidiscura mirabilis (Zhu, Zhang & Xu, 1991) = Paidiscura subpallens (Bösenberg & Strand, 1906) (Song, Zhu & Chen, 1999: 142, sub Theridion)

Paidiscura nubila (Blackwall, 1837, T from Epeira) = Paidiscura pallens (Blackwall, 1834) (Thorell, 1873: 438, sub Theridion)

Paidiscura palustris (Pavesi, 1880) = Paidiscura dromedaria (Simon, 1880) (Simon, 1908a: 427, sub Theridion)

Paidiscura persubtilis (L. Koch, 1877) = Paidiscura pallens (Blackwall, 1834) (Simon, 1881a: 107, sub Theridion)

Paidiscura dromedaria (Simon, 1880) | | Cape Verde, Spain, France, Italy, Greece, North Africa to Middle East urn:lsid:nmbe.ch:spidersp:007860
Theridion palustre Pavesi, 1880b: 328 (Dm) [urn:lsid:nmbe.ch:spidersp:064285]
Theridion dromedarius Simon, 1880g: 99 (Dm) Original description
Theridion dromedarius Simon, 1908a: 427 (removed from S of Theridion tuberculatum, rejecting Simon, 1894a: 541, S of T. palustre [removed from S of T. tuberculatum, rejecting Simon, 1894a: 541])
Theridion bigibbum O. Pickard-Cambridge, 1912a: 403, f. 51 (Dm) [urn:lsid:nmbe.ch:spidersp:064286]
Theridium dromedarium Spassky & Shnitnikov, 1937: 271, f. 1-2 (mf)
Achaearanea dromedaria Denis, 1962a: 62 (T from Theridion)
Theridion dromedarium Wunderlich, 1977a: 290, f. 3-7 (mf, T from Achaearanea, S of Theridion bigibbum)
Theridion dromedarius Levy & Amitai, 1982a: 110, f. 58-64 (mf)
Paidiscura dromedaria Wunderlich, 1987a: 215 (T from Theridion)
Achaearanea caboverdensis Schmidt & Piepho in Schmidt, Geisthardt & Piepho, 1994: 96, f. 10 (Df) [urn:lsid:nmbe.ch:spidersp:064287]
Paidiscura dromedaria Schmidt & Krause, 1996: 263 (S of Achaearanea caboverdensis)
Theridion dromedarius Levy, 1998b: 205, f. 390-396 (mf)
Paidiscura dromedaria Knoflach & Thaler, 2000: 429, f. 30, 33, 36, 41-42, 58 (mf, S of Theridion palustre confirmed)
Paidiscura dromedaria Wunderlich, 2008b: 392, f. 551-552 (m)
Theridion dromedarius Le Peru, 2011: 476, f. 813 (mf)
Paidiscura orotavensis (Schmidt, 1968) | | Canary Is., Madeira urn:lsid:nmbe.ch:spidersp:007862
Theridion palustre Kulczyński, 1899: 370, pl. 6, f. 28, pl. 7, f. 46, 48-52 (mf; misidentified per Wunderlich, 1987a: 215)
Theridion orotavense Schmidt, 1968: 409, f. 9-10 (Dmf) Original description
Paidiscura orotavensis Wunderlich, 1987a: 215 (T from Theridion)
Paidiscura orotavensis Knoflach & Thaler, 2000: 431, f. 29, 32, 35, 39-40 (mf)
Paidiscura orotavensis Crespo et al., 2009a: 474, f. 12 (f)
Paidiscura pallens (Blackwall, 1834) | | Europe, Algeria, Turkey, Georgia, Azerbaijan, Russia (Europe to South Siberia) urn:lsid:nmbe.ch:spidersp:007863 TYPE SPECIES
Theridion minimum Wider, 1834: 249, pl. 17, f. 2 (Df) [urn:lsid:nmbe.ch:spidersp:064293]
Theridion pallens Blackwall, 1834b: 357 (Df) Original description
Epeira nubila Blackwall, 1837: 101 (Dm) [urn:lsid:nmbe.ch:spidersp:064294]
Dictyna hystrica C. L. Koch, 1837b: 12 (D) [urn:lsid:nmbe.ch:spidersp:064295]
Theridion minimum Walckenaer, 1841: 320 (D)
Theridion albens Blackwall, 1841a: 627 (Df) [urn:lsid:nmbe.ch:spidersp:064296]
Micryphantes hystricus C. L. Koch, 1845: 155, f. 1074 (Df)
Epeira nubila Blackwall, 1864a: 194, pl. 14, f. 125 (m, Df)
Theridion albens Blackwall, 1864a: 199, pl. 14, f. 130 (f)
Theridion pallens Thorell, 1873: 438 (S of Epeira nubila, Theridion albens and T. minimum)
Theridion persubtile L. Koch, 1877b: 182, f. 5 (Dm) [urn:lsid:nmbe.ch:spidersp:064297]
Theridion pallens O. Pickard-Cambridge, 1879d: 92, pl. 2, f. 8 (mf)
Theridion pallens Simon, 1881a: 107 (S of Micryphantes hystricus and Theridion persubtile)
Theridion pallens Smith, 1900b: 207, f. 1c (m)
Theridion pallens Bösenberg, 1902: 107, pl. 9, f. 133 (mf)
Theridion pallens Wiehle, 1937: 178, f. 160-168 (mf)
Paidiscura pallens Archer, 1950: 27, pl. 4, f. 6 (m, T from Theridion)
Theridion pallens Locket & Millidge, 1953: 81, f. 53A-B (mf)
Theridion pallens Miller, 1971: 192, pl. XXXIV, f. 16-17 (mf)
Theridion pallens Palmgren, 1974b: 28, f. 7.1-3 (mf)
Theridion pallens Roberts, 1985: 188, f. 84d (mf)
Paidiscura pallens Wunderlich, 1987a: 215
Theridion pallens Heimer & Nentwig, 1991: 300, f. 805 (mf)
Theridion pallens Roberts, 1995: 288, f. (mf)
Theridion pallens Roberts, 1998: 303, f. (mf)
Paidiscura pallens Knoflach & Thaler, 2000: 425, f. 25-28, 31, 34, 37-38, 59-60 (mf)
Paidiscura pallens Trotta, 2005: 175, f. 459-460 (mf)
Paidiscura pallens Almquist, 2006: 77, f. 100a-h (mf)
Paidiscura pallens Wunderlich, 2008b: 392, f. 547-550 (m)
Paidiscura pallens Marusik & Kunt, 2010a: 2, f. 6, 9 (m)
Theridion pallens Le Peru, 2011: 482, f. 839 (mf)
Paidiscura pallens Vanuytven, 2021: 46, 216, f. A.36c, B.218a-b, B.219 (m)
Paidiscura pallens Zamani et al., 2025c: 135, f. 5C-D (f)
Paidiscura subpallens (Bösenberg & Strand, 1906) | | China, Korea, Japan urn:lsid:nmbe.ch:spidersp:008711
Theridion subpallens Bösenberg & Strand, 1906: 139, pl. 12, f. 293 (Df) Original description
Dipoena caninotata Bösenberg & Strand, 1906: 150, pl. 12, f. 266 (Dmf) [urn:lsid:nmbe.ch:spidersp:064288]
Theridion subpallens Saito, 1934b: 300, pl. 14, f. 52 (f)
Theridion subpallens Saito, 1959: 71, f. 69a-d (f)
Theridion subpallens Shinkai & Hara, 1975: 10, f. 3-5 (f, Dm)
Theridion subpallens Shinkai, 1978: 87, f. 3-4 (mf)
Theridion subpallens Paik & Namkung, 1979: 30, f. 12.1-2 (f)
Dipoena caninotata Yaginuma, 1986a: 42, f. 23.8 (m)
Theridion subpallens Yoshida, 1988: 25 (S of Dipoena caninotata)
Theridion subpallens Chikuni, 1989b: 44, f. 65 (mf)
Theridion mirabilis Zhu, Zhang & Xu, 1991: 176, f. 17-21 (Dmf) [urn:lsid:nmbe.ch:spidersp:064289]
Theridion mirabilis Paik, 1996d: 10, f. 17-26 (f)
Theridion mirabile Zhu, 1998: 189, f. 122A-E (mf)
Theridion subpallens Song, Zhu & Chen, 1999: 142, f. 77A-B, I-J (mf, S of Theridion mirabile)
Theridion subpallens Yoshida & Ono, 2000: 154, f. 57-58 (mf)
Theridion subpallens Song, Zhu & Chen, 2001: 115, f. 57A-E (mf)
Paidiscura subpallens Yoshida, 2001c: 168, f. 9, 40-42 (mf, T from Theridion)
Theridion subpallens Namkung, 2002: 101, f. 13.19a-b (mf)
Theridion subpallens Kim & Cho, 2002: 314, f. 835-840 (mf)
Paidiscura subpallens Namkung, 2003: 102, f. 13.18a-b (mf)
Paidiscura subpallens Yoshida, 2003a: 82, f. 200-202, 565 (mf)
Paidiscura subpallens Yoshida, 2009b: 374, f. 165-166 (mf)
Theridion subpallens Zhu & Zhang, 2011: 108, f. 64A-E (mf)
Paidiscura subpallens Yin et al., 2012: 363, f. 151a-f (mf)
Paidiscura subpallens Kim, 2021: 93, f. 39A-J, pl. 18 (mf)
Paidiscura subpallens Hidaka, 2023b: 68, f. 3B-C (f)
Paidiscura subpallens Hino, Suzuki & Megumi, 2025: 108, f. 2D-F (mf)

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