Holotrichius denudatus A. Costa, 1842b: 281. STS: 4 females, Italy (Abruzzi, Lecce, Naples, Calabria); MZHF (Jansson & Coscarón, 1989: 6), ZIUN.
?Reduvius albofasciatus Cyrillo, 1787: 6 (syn. A. Costa, 1842b: 285, with Holotrichius cyrilli, suspected). ST(S): Italy, Naples; lost.
Holotrichius cyrilli A. Costa, 1842b: 283 (syn. Fieber, 1861a: 156). STS: males, Italy (South: Lecce, Naples, etc.); ZIUN.
Holotrichius maurus (non Fabricius, 1775): Fieber, 1861a: 156, 387. Misidentification (see Stål, 1874b: 77).