General distribution (WSC):
USA (Alaska), Europe, Caucasus, Russia (Europe to Far Est)
Faunistic references:
Ctenium lividus
Drensky 1936, p. 62
Robertus lividus
Deltshev 1967, p. 51
Robertus lividus
Deltshev 1980, p. 90
Robertus lividus
Lazarov et al. 2001, p. 11
Robertus lividus
Antov et al. 2004, p. 357
Localities:
Bulgaria:
Cherni Vrah, Vitosha Mt. -
1 ♂, 20.07.1976, Deltshev
1980
;
Zhivata Voda, Vitosha Mts. -
09.03.1964, Deltshev
1967
;
Edelweiss Hut, Vitosha Mts. -
13.06.1964, Deltshev
1967
;
Koprivshtitsa -
1 ♂, Lazarov et al.
2001
;
Fetentsi, Pazardzhik Region -
2 ♀, Lazarov et al.
2001
;
Klisura -
1 ♂, Lazarov et al.
2001
(Near Stryama River);
Hunting park, Sofia -
2 specimens, Antov et al.
2004
;
Sofia -
Drensky
1936
;
