type Theridula albipes Saito, 1935; gender feminine

In synonymy:
Chikunia caudata (Saito, 1933, T from Theridula) = Chikunia nigra (O. Pickard-Cambridge, 1880) (Yoshida, 1978a: 23, sub Chrysso).
Chikunia rapulum (Yaginuma, 1960, T from Chrysso) = Chikunia albipes (Saito, 1935) (Yoshida, 2001c: 175, sub Chrysso).
Chikunia yulingu (Barrion, Barrion-Dupo & Heong, 2013, T from Chrysso) = Chikunia nigra (O. Pickard-Cambridge, 1880) (Lin et al., 2023a: 520).

Theridula albipes Saitō, 1935a: 59, f. 2 (Df).
Theridula albipes Saitō, 1935b: 52 (f).
Theridion rapulum Yaginuma, 1960: append. 2, pl. 9, f. 55, f. 101C (Dmf; specific epithet is a noun).
Theridion rapulum Akiyama, 1961: 77, unnumbered f. (f).
Theridion rapulum Yaginuma, 1986a: 35, f. 20.5 (mf).
Theridion rapulum Chikuni, 1989b: 42, f. 58 (mf).
Theridion rapulum Feng, 1990: 122, f. 97.1-2 (f).
Theridion rapulum Chen & Zhang, 1991: 154, f. 150.1-3 (mf).
Theridula albipes Marusik et al., 1993b: 83 (dubious species = nomen dubium, probable senior S of Theridion rapulum).
Chrysso rapulum Yoshida, 1993c: 32, f. 21 (T from Theridion).
Chrysso rapulum Zhu, 1998: 57, f. 30A-D (mf).
Chrysso rapula Song, Zhu & Chen, 1999: 107, f. 50C-D, K (mf).
Chrysso albipes Yoshida, 2001c: 175, f. 12, 72-74 (mf, S of Theridion rapulum).
Chrysso rapula Namkung, 2002: 113, f. 13.31a-c (mf).
Chrysso albipes Namkung, 2003: 115, f. 13.31a-c (mf).
Chrysso albipes Yoshida, 2003a: 131, f. 351-355, 585-586 (mf).
Chikunia albipes Yoshida, 2009a: 72 (T from Chrysso).
Chikunia albipes Yoshida, 2009b: 378, f. 217-219 (mf).
Chrysso albipes Zhu & Zhang, 2011: 86, f. 47A-D (mf).
Chrysso albipes Yin et al., 2012: 291, f. 105a-f (mf).
Chikunia albipes Kim, 2021: 31, f. 9A-H, pl. 4 (mf).

Chikunia bilde Smith, Agnarsson & Grinsted, in Smith et al., 2019: 345, f. 1D-H, 7A-L, 8A-D, 9J-O (Dmf).

Argyrodes nigra O. Pickard-Cambridge, 1880b: 341, pl. 30, f. 20 (Dmf).
Theridion oxyurum Thorell, 1890a: 266 (Df).
Theridion nigrum Simon, 1905c: 58.
Theridula caudata Saitō, 1933b: 44, pl. 3, f. 4 (Df).
Chrysso nigra Levi, 1962b: 209, f. 1-2 (Tmf from Theridion).
Theridula caudata Lee, 1966: 30, f. 7e-g (f).
Chrysso nigra Yoshida, 1978a: 23, f. 4 (m, S).
Theridula caudata Hu, 1984: 174, f. 182.1-5 (f).
Chrysso nigra Yoshida, 1993c: 33, f. 15, 18-19 (m).
Chrysso nigra Zhu, 1998: 53, f. 27A-E (mf).
Chrysso nigra Song, Zhu & Chen, 1999: 103, f. 49G-H, O (mf).
Chrysso nigra Yin et al., 2012: 298, f. 110a-d (mf).
Chikunia nigra Grinsted, Agnarsson & Bilde, 2012: 1027 (Tmf from Chrysso).
Chrysso yulingu Barrion, Barrion-Dupo & Heong, in Barrion et al., 2013: 36, f. 40A-F (Df) [urn:lsid:nmbe.ch:spidersp:048452].
Chrysso nigra Jin, 2018: 17, f. 4-6.A-D, pl. 3 (f).
Chikunia nigra Smith et al., 2019: 341, f. 1A-C, 6A-L, 9A-I (mf).
Chikunia nigra Lin et al., 2023a: 520 (S of Chrysso yulingu).

Chrysso subrapulum Zhu, 1998: 65, 361, f. 37A-C (Dm; specific epithet is a noun).
Chrysso subrapulum Song, Zhu & Chen, 1999: 107, f. 50M-N (m).
Chrysso subrapula Zhu & Zhang, 2011: 88, f. 49A-C (m).
Chikunia subrapulum Kumada & Ono, 2023: 124, f. 1-9 (m, Df, T from Chrysso).