Titanoeca quadriguttata (Hahn, 1833)

T. q. Drensky 1913: 70.

T. q. var. nigra Drensky 1915: 154 .

T. q. Jurinitch & Drensky 1917: 122.

T. q. Drensky 1921: 44.

T. q. var. nigra Drensky1921: 44 .

Titanoeica [sic] obscura Drensky 1936a: 20 (lapsus, ICZN: 33.3).

T. q. Deltshev et al. 2004: 189, Table 2. (1 ♂, reviewed).

T. q. Deltshev et al. 2012: 90, Table 2. (1 ♀, reviewed.).

Additional sources: Drensky 1936b, 1940, Deltshev & Blagoev 1997, 2001, Lazarov 1998, Lazarov et al. 2001, Deltshev et al. 2000 b, Popov, A. et al. 2000, Blagoev et al. 2018.

New data: BULGARIA: 1 ♀, Slavyanka Mts, Parilski Dol place, 29.06.1937, lgt P. Drensky .

Distribution in Bulgaria: Vitosha Mts (Fig. 6: 6): Dragalevtsi (Drensky 1913), Bistritsa (Drensky 1915); Sashtinska Sredna Gora Mts: Klisura (Fig. 6: 10) (Jurinitch & Drensky 1917); Pirin Mts (Fig. 6: 7): Damyanitsa river, Banderitsa river (Drensky 1921); Strandzha Mts: Kladara (=Slivarovo) village (Fig. 6: 12) (Drensky 1936a), Eastern Rhodopes Mts: Byala Reka river, near Meden Buk village (Fig. 6: 11) (Deltshev et al. 2004); Western Rhodopes Mts: Devin (Fig. 6: 9) (Deltshev et al. 2012); Slavyanka Mts: Parilski Dol place (Fig. 6: 8) (present paper).

Global distribution: Europe (except northern parts) to South Siberia, Kazakhstan, China.