General distribution (WSC):
Europe, Turkey, Russia (Europe to South Siberia), China
Faunistic references:
Theridion mystaceum
Tzonev & Lazarov 2001, p. 71
Theridion mystaceum
Lazarov et al. 2001, p. 12
Theridion mystaceum
Deltshev et al. 2004, p. 186
Localities:
Bulgaria:
Hisarlaka, Osogovo Mts. -
Tzonev & Lazarov 2001
;
Zlatograd -
1 ♀, 2 juv., 16.04.1977, Deltshev et al.
2004
;
Uzundzhovo, Haskovo Province -
1 ♀, 12.06.1988, Deltshev et al.
2004
;
Bunaya Peak, Sredna Gora Mt. -
1 ♂, 1 ♀, Lazarov et al.
2001
;
Klisura -
1 ♂, 1 ♀, Lazarov et al.
2001
;
Sredoryak, Sashtinska Sredna Gora Mts. -
1 ♂, 3 ♀, Lazarov et al.
2001
;