A revision of the cicada genus Orientopsaltria Kato (Homoptera, Cicadidae) from southeast Asia

J. P. DUFFELS' & M.I. ZAIDI 2 Institute for Systematic! and Population Biology (Zoological Museum), University of Amsterdam, The Netherlands 'Centre for Insect Systematics, Universi ti Kebangsaan Malaysia, Bangi, Malaysia A REVISION OF THE CICADA GENUS ORIENTOPSALTRIA KATO (HOMOPTERA, CICADIDAE) FROM SOUTHEAST ASIA Duffels, J. P. & M. Zaidi, 2000. A revision of the cicada genus Orientopsaltria Kato (Homoptera, Cicadidae) from Southeast Asia. -Tijdschrift voor Entomologie 142 [1999]: 195-297, figs. 1-147, plates 1-6, tables 1-2. [ISSN 0040-7496]. Published 1 1 April 2000. This revision of the genus Orientopsaltria contains a generic description, and descriptions, illustrations and distributional maps of the 24 species. Nine species are described as new to science: O. angustata, O. confluens, O. hollowayi, O. kinabaluana, O. latispina, O. maculosa, O. palawana, O. vanbreei, and O. noonadani. Five species are transferred to other genera: O. divergens, O. montana, and O. tonkiniana to Platylomia, O. multivocalis to Meimuna, and O. ceslaui to Dundubia. One species of Platylomia, P. fuliginosa, is included in Orientopsaltria, and Platylomia banqueyensis Distant, 1912 is considered a junior synonym of Orientopsaltria altico-la (Distant 1905). A key presented here is designed to identify the males of Orientopsaltria to the species level. The subdivision in species groups is based upon a preliminary phylogenetic analysis of the species of the genus. The genus Orientopsaltria is restricted to the Malayan Peninsula, Sumatra, Borneo, Palawan, and the Philippines. None of the Orientopsaltria species is distributed over the whole range of the genus. The highest percentage of endemics is found in the Philippines (4 species: 100% endemic) and Palawan (2: 100%), followed by Borneo (6: 50%), Sumatra (2: 25%) and the Malayan Peninsula (1: 10%). This study aims to contribute to the historic biogeographical study of the subtribe Dundubiaria of Southeast Asia and to the knowledge of cicada biodiversity in this area. Correspondence: Dr. J. P. Duffels, Institute for Systematics and Population Biology (Zoologi-cal Museum, Department of Entomology), University of Amsterdam, Plantage Middenlaan 64, 1018 DH Amsterdam, The Netherlands; e-mail: [email protected] Key words. -Orientopsaltria; Cicadidae; taxonomy; new species; key to species; phylogeny; dis-tribution; Southeast Asia. The taxonomy, phylogeny and biogeography of the Cosmopsaltriaria. This group probably consists of cicadas occurring east of Wallace's Line, in Sulawesi, one or more genera of the Dundubiaria, a subtribe of New Guinea and the West Pacific, has been the sub-the Dundubiini. From a biogeographical viewpoint it ject of several publications in the last two decades is interesting to note that the Dundubiaria are main-(Boer & Duffels 1997). One of the two major groups ly distributed to the west of Wallace's Line: the studied is the subtribe Cosmopsaltriaria of the tribe Greater Sunda Islands and mainland of Southeast Dundubiini. The Cosmopsaltriaria range from Su-Asia. The taxonomy, phylogeny and biogeography of lawesi through New Guinea to the Samoa Islands. the subtribe Dundubiaria are currently studied by Phylogenetic and biogeographic analyses of the 8 gen-Beuk (1996, 1998, 1999). That author has already re-era and 125 species ofthat group suggested that the vised parts of Dundubia Amyot & Serville, 1843 ancestor of the Cosmopsaltriaria occurred in North-(Beuk 1996) and Platylomia Stil, 1870 (Beuk 1998, east Asia and dispersed along island arcs to Sulawesi, 1999). The genus Orientopsaltria Kato, 1944 revised New Guinea and the West Pacific in the mid-Ter-in this paper also belongs to the subtribe Dundu-tiary (Boer & Duffels 1996). biaria. The results of the present study will be includ-Over the last few years the biogeographical study of ed in Beuk's forthcoming phylogenetic and biogeo-the cicadas of Southeast Asia and the West Pacific has graphic study of this subtribe. been focussed on the presumed sister group of the 195