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Redescription of the genus Creochara (Coleoptera: Staphylinidae: Aleocharinae: Aleocharini) and its systematic position

Published online by Cambridge University Press:  02 April 2012

Munetoshi Maruyama
Affiliation:
Department of Zoology, National Science Museum, Hyakunin-chô, Shinjuku-ku, Tôkyô-to, Japan, 169-0073

Abstract

The genus Creochara Cameron is redescribed, and one species, C. brevipennis (Bernhauer), is recognized in the genus. The systematic position of the genus is discussed, and it is placed in the Tetrasticta genus group in the tribe Aleocharini. The genus group is characterized by the presence of a sternopleural suture and its monophyly is supported by the elongate antennomere I, the development of the metasternal process, and the wide separation of the mesocoxal cavities. Tetrasticta bicolor (Cameron) comb. nov. and Tetrasticta bryanti (Cameron) comb. nov. are excluded from the genus Creochara and redescribed.

Résumé

Le genre Creochara Cameron est décrit de nouveau et une espèce, C. brevipennis (Bernhauer), est retenue dans le genre. La position systématique du genre est analysée et celui-ci est placé dans le groupe de genres de Tetrasticta dans la tribu des Aleocharini. Le groupe est caractérisé par la présence de la suture sternopleurale et sa monophylie est appuyée par l'allongement des antennomères I, le développement du processus du métasternum et la séparation large des cavités mésocoxales. En outre, Tetrasticta bicolor (Cameron) comb. nov. et Tetrastictabryanti (Cameron) comb. nov. sont exclus de Creochara et décrits de nouveau.

[Traduit par la Rédaction]

Type
Articles
Copyright
Copyright © Entomological Society of Canada 2004

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