Ahrens 1999. New species and records of Gynaecoserica Brenske, 1896, Calloserica Brenske, 1894, Nephaloserica Frey, 1965, Lasioserica Brenske, 1896, and Amiserica Nomura, 1974 from the Himalayas and adjacent regions (Insecta: Coleoptera: Melolonthidae: Sericini). Entomologische Abhandlungen (Dresden), 58(2) 1999: 181-242