A new and little known species of Palaearctic Sericini (Coleoptera: Scarabaeidae: Melolonthinae)
Cycloserica ustinovi Gusakov, sp. n. is described from Tajikistan (Jarteppa). Serica incurvata (Nomura, 1971) is recorded from Russia (Kunashir Island, Tret’yakovo) for the first time. New synonymy is established: Omaloplia r. ruricola (Fabricius, 1775) = Homaloplia kiritshenkoi Medvedev, 1952 syn. n.