General distribution (WSC):

North America, Europe, North Africa, Caucasus, Russia (Europe to Far East), Kazakhstan

Faunistic references:

Theridium pirini Drensky 1936, p. 73

Theridion petraeum Deltshev 1995, p. 221


Localities:

Bulgaria: Marishki Chal Peak, Rila - 1 ♀, 19.07.1969, Deltshev 1995 ; Strashnoto Lake, Rila Mts. - 2 ♂, 1 ♀, 20.09.1987, Deltshev 1995 ; Gazey - Drensky 1936 ; Popovo Lake, Pirin - Drensky 1936 ; Valyavitsa - Drensky 1936 ;

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