General distribution (WSC):
Italy, Romania, Bulgaria, Macedonia, Greece, Turkey
Faunistic references:
Lepthyphantes pallidus
Drensky 1936, p. 81
Lepthyphantes insignis
Deltshev 1972, p. 144
Lepthyphantes byzantinus
Deltshev 1980, p. 44
Lepthyphantes byzantinus
Deltshev et al. 2003, p. 15
Localities:
Bulgaria:
Lesovo, Yambol Province -
1 ♀, 05.04.1992, Deltshev et al.
2003
(Disused mine galleries);
Orlova chuka cave, Ruse Province -
1 ♂, 3 ♀, 04.10.1994, Deltshev et al.
2003
;
2 ♂, 4 ♀, 02.04.1966, Deltshev
1980
;
2 ♂, 3 ♀, 02.04.1966, Deltshev
1972
(As Lepthyphantes insignis, misidentified after Deltshev (1980), p. 44);
Melnitsa, Yambol Province -
1 ♀, 05.08.1970, Deltshev
1980
;
Izbeglii, Plovdiv Province -
1 ♂, 2 ♀, 08.04.1969, Deltshev
1980
;
1 ♂, 2 ♀, 28.04.1969, Deltshev
1972
(As Lepthyphantes insignis, misidentified after Deltshev (1980), p. 44);
Tvarditsa, Dobrich Province -
1 ♀, 13.07.1970, Deltshev
1980
;
Kotel -
1 ♀, 30.09.1924, Deltshev
1980
(Ponor cave);
Drensky
1936
("Ponora" cave; as Lepthyphantes pallidus, misidentified after Deltshev (1980), p. 44);