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Pseudofoenus caledonicus, a new species of hyptiogastrine wasp (Hymenoptera: Gasteruptiidae) from New Caledonia

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Abstract 

Pseudofoenus caledonicus sp. nov. is described from New Caledonia, and is the second member of the Hyptiogastrinae recorded from these islands. This discovery points to a more diverse fauna of Hyptiogastrinae in the south-west Pacific, which also includes P. ritae (Cheesman), from New Caledonia and Vanuatu, P. extraneus (Turner) from Fiji, and a number of species from New Guinea and New Zealand. Although a revised phylogenetic analysis does not resolve the relationships of P. caledonicus, neither the two New Caledonian species nor the south-west Pacific fauna in general are likely to be monophyletic. This fauna is discussed in terms of its relationships with Pseudofoenus spp. from mainland Australia, and possible mechanisms that have given rise to the current distribution of species.
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Keywords: Hyptiogastrinae; dispersal; south-west Pacific

Document Type: Research Article

Affiliations: School of Earth and Environmental Sciences, and Centre for Evolutionary Biology and Biodiversity, The University of Adelaide, Adelaide, SA 5005, Australia.

Publication date: November 1, 2005

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