The Ceratocanthinae of Ulu Gombak: high species richness at a single site, with descriptions of three new species and an annotated checklist of the Ceratocanthinae of Western Malaysia and Singapore (Coleoptera, Scarabaeoidea, Hybosoridae) Author Alberto Ballerio Author Munetoshi Maruyama text Zookeys 2010 34 77 104 journal article http://dx.doi.org/10.3897/zookeys.34.268 Pterorthochaetes insularis Gestro, 1899 ( Fig. 3 A) Known distribution: Indonesia, Philippines (Paulian 1978), Nepal (Ballerio 1999), West Malaysia (Kelantan) (Grebennikov et al. 2005). New material examined: West Malaysia, Perak, 25 km NE of Ipoh, Banjaran Titi Wangsa Mounts, Gunung Korbu, 1400–1800 mt., 11–31.I.1999, leg. P. Cechovsky (ABCB). Remarks. First record for Perak and Selangor. Based on unpublished data of the senior author, P. insularis is a quite common species with a wide distribution, spanning from Nepal to Borneo, with a strong geographical morphological variation, whose taxonomic meaning still needs to be evaluated.