Eur. J. Entomol. 103 (1): 115-126, 2006 | DOI: 10.14411/eje.2006.017

A revision of Metriorrhynchus from the Philippines with molecular evidence of an Australian origin of the Oriental Metriorrhynchus fauna (Coleoptera: Lycidae)

Ladislav BOCÁK1,3, Kiyoshi MATSUDA2, Takashi YAGI3
1 Department of Zoology, Faculty of Science, Palacký University, tř. Svobody 26, 771 46 Olomouc, Czech Republic; e-mail: ladislav.bocak@upol.cz
2 Department of Human and Environmental Sciences, Osaka Shin-Ai College, 6-2-28 Tsurumi, Tsurumi-ku, Osaka, 538-0053, Japan
3 Research Institute for Advanced Science and Technology, Osaka Prefecture University, 1-2 Gakuen-cho, Sakai, Osaka, 599-8570, Japan

The Metriorrhynchus fauna of the Philippines is revised. All known species are redescribed and seven new species are added: M. isarogensis sp. n., M. menieri sp. n., M. mindanaoensis sp. n., M. newbataanensis sp. n., M. ochii sp. n., M. palawanensis sp. n., and M. takedai sp. n. Additionally, M. yoshioi sp. n. is described from Sulawesi. Xylobanus longissimus Pic, 1922 is transferred to Metriorrhynchus, and Metriorrhynchus pallidus (Dalman in Schoenherr, 1818) is transferred to Leptotrichalus Kleine, 1925. The dispersal routes and speciation of Metriorrhynchus from the Philippines, Sulawesi and the Oriental Region were studied using mtDNA markers. One dispersal event is supposed for establishing of the Greater Sunda Islands fauna and another one for the Philippine fauna. Both faunas underwent speciation in the respective areas and all species show high degree of endemism. The Metriorrhynchus in Palawan is of Philippine origin in contrast with the tectonic history of Palawan and its connection with Borneo during the last glacial maximum.

Keywords: Coleoptera, Lycidae, Metriorrhynchinae, mtDNA, COI, ND5, new species, new combinations, key, Oriental Region

Received: January 3, 2005; Revised: August 10, 2005; Accepted: August 10, 2005; Published: January 30, 2006  Show citation

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BOCÁK, L., MATSUDA, K., & YAGI, T. (2006). A revision of Metriorrhynchus from the Philippines with molecular evidence of an Australian origin of the Oriental Metriorrhynchus fauna (Coleoptera: Lycidae). EJE103(1), 115-126. doi: 10.14411/eje.2006.017
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