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REVISION OF THE GENUS MALAISIUS ARROW (COLEOPTERA: SCARABAEIDAE: MELOLONTHINAE)

Published online by Cambridge University Press:  31 May 2012

Chun-Lin Li  and
Ping-Shih Yang
Chun-Lin Li
Affiliation:
Department of Entomology, Laboratory of Insect Conservation, National Taiwan University, Taipei 10764, Taiwan, Republic of China
Ping-Shih Yang
Affiliation:
Department of Entomology, Laboratory of Insect Conservation, National Taiwan University, Taipei 10764, Taiwan, Republic of China
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Abstract

The rhizotrogine genus Malaisius Arrow is revised with descriptions of two new species, M. siamensis from northern montane areas of Thailand, and M. similis from northeast Yunnan, China. The type species, M. mollis Arrow, is redescribed, and Malaisius yunnanus (Moser) (Cyphochilus) is proposed as a new combination. The female of Malaisius is described for the first time and a key to the male species of Malaisius is provided. A discussion of relationships and distinguishing characters of the closely related genera Cyphochilus Waterhouse, Dedalopterus Sabatinelli and Pontuale, and Malaisius is also given.

Résumé

Une révision du rhizotrogine genre Malaisius Arrow est proposée et deux nouvelles espèces sont décrites : M. siamensis des régions montagneuses du nord de la Thailande et M. similis du nord est du Yunnan, Chine. La redescription de l’espèce type, M. mollis Arrow, est donnée, ainsi qu’une combinasion nouvelle pour Malaisius yunnanus (Moser) (Cyphochilus) est proposée. La femelle de Malaisius est décrite pour la première fois. Une clé de détermination des mâles de Malaisius est proposée, ainsi qu’une discussion sur les relations des caractères distinctifs chez Cyphochilus Waterhouse, Dedalopterus Sabatinelli et Pontuale et Malaisius.

Type
Articles
Information
The Canadian Entomologist , Volume 131 , Issue 2 , April 1999 , pp. 187 - 202
Copyright
Copyright © Entomological Society of Canada 1999

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