Sogda (Trichohydnobius) secunda (Guillebeau, 1897)
Hydnobius secundus Guillebeau, 1897: 224 .
Type locality: [France:] Morières, Vaucluse. Hydnobius circumcinctus Reitter, 1913b: 652 . Type locality: Turkestan, Fergana.
Hydnobius flavipennis Hlisnikovský, 1967c: 257 . Type locality: Mongolia: Kemtschik.
Hydnobius klapperichi Hlisnikovský, 1964c: 9 . Type locality: Sarakanda Gebirge, 3600 m, Badakschan, NO-Afghanistan. Hydnobius parallelus Reitter, 1909: 248 .
Type locality: Buchara.
Material examined. RaZavi Khorasan, Neyshabur (Samin et al. 2016).
General distribution. Afghanistan, France, Italy, Mongolia, The Netherlands, TadZhikistan, UZbekistan (Perreau 2015). The fragmentation of the distribution area over such a wide geographical range suggests that this species should be sought in many other countries.