Eur. J. Entomol. 107 (3): 425-440, 2010 | 10.14411/eje.2010.050

Systematics and biogeography of the Indo-Malaysian endemic Neochauliodes sundaicus species-group (Megaloptera: Corydalidae)

Xingyue LIU1,2, Fumio HAYASHI2, Oliver S. FLINT3, Ding YANG1
1 Department of Entomology, China Agricultural University, Beijing 100193, China; e-mail: liu_xingyue@yahoo.com.cn
2 Department of Biology, Tokyo Metropolitan University, Minamiosawa 1-1, Hachioji, Tokyo 192-0397, Japan; e-mail: fhayashi@tmu.ac.jp
3 Department of Entomology MRC-169, National Museum of Natural History, Washington, DC, 20013-7012, USA; e-mail: flinto@si.edu

The Neochauliodes sundaicus species-group is newly proposed, containing six species and endemic to Indo-Malaysia. All six species are described and illustrated, including two new species: Neochauliodes parvus Liu, Hayashi & Flint, sp. n. and N. peninsularis Liu, Hayashi & Flint, sp. n. Full species status is given to N. maculatus Stitz, 1914, stat. n. and N. borneensis van der Weele, 1909, stat. n. A cladistic analysis is conducted to reconstruct the species level phylogeny of the N. sundaicus group based on the morphological data. Combining the present morphological phylogeny and historical geography of Indo-Malaysia, the origin and speciation of this species-group is briefly discussed.

Keywords: Corydalidae, Chauliodinae, Neochauliodes sundaicus, species-group, new species, phylogeny, biogeography, Indo-Malaysia

Received: December 11, 2009; Accepted: March 15, 2010; Published: July 20, 2010

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