Adoretops pexus (Zoubkoff, 1833)
Melolontha pexa Zoubkoff, 1833: 323
Adoretops pexus: Kraatz, 1883: 153; Reitter, 1902 (imprint 1901): 294; Reitter, 1906: 238 (catalogue); Dalla Torre, 1912: 255 (catalogue)
Adoretops plexus (incorrect subsequent spelling): Winkler, 1929: 1088 (catalogue); Medvedev, 1951: 230; Nikolajev, 1987: 146
Type locality: "les steppes de Kirguises".
Distribution: Kazakhstan, Russia (Medvedev, 1951).