A review of the biology and systematics of Chlamydopsinae (Coleoptera : Histeridae)
Michael S. Caterino A C and Nicolas Dégallier BA Department of Invertebrate Zoology, Santa Barbara Museum of Natural History, 2559 Puesta del Sol Road, Santa Barbara, CA 93105, USA.
B 120 rue de Charonne, 75011 Paris, France.
C Corresponding author. Email: mcaterino@sbnature2.org
Invertebrate Systematics 21(1) 1-28 https://doi.org/10.1071/IS06017
Submitted: 1 June 2006 Accepted: 29 November 2006 Published: 8 March 2007
Abstract
The histerid subfamily Chlamydopsinae is a clade of obligate inquilines of social insects, mainly ants. They show a wide range of bizarre morphological characteristics, including highly varied trichomes, associated with this lifestyle. They occur throughout Australia and Indomalaysia, with a few species occurring as far from this centre of diversity as India and Japan. At present the subfamily contains 12 genera and 174 species, several of which are newly described herein (Teretriopsis theryi, gen. nov., sp. nov., Papuopsis andersoni, gen. nov., sp. nov. and Quasimodopsis riedeli, gen. nov. sp. nov.). This paper presents a phylogenetic analysis based on morphological characters of all of the main lineages of the family, provides a complete catalogue of the species, a key to all the genera, and proposes several new combinations. The phylogenetic analysis reveals two large clades, one (including the genera Chlamydopsis Westwood, Eucurtia Mjöberg, and Ectatommiphila Lea) is largely restricted to the Australian continent, whereas the other, containing all other genera, is much more widespread, including many Australian species, but extending also through Indomalaysia into south-east Asia. The beetles are known to utilise many hosts, including ants in four different subfamilies (Myrmicinae, Ponerinae, Dolichoderinae, and Formicinae), as well as termites in the genus Eutermes. However, host records are not yet sufficiently comprehensive to exhibit any clear phylogenetic signal.
Acknowledgements
We are very grateful to many colleagues for providing specimens used in this study: R. Anderson, M. Brendell, R. Leschen, S. Mazur, G. Monteith, A. Riedel, R. Storey, B. Viklund. We are grateful for the input of two anonymous reviewers. The SEM used in this study was acquired through a National Science Foundation grant (NSF-MRI 0420726), and we thank D. Geiger for assistance in its operation. This work was supported in part by the Schlinger Foundation.
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