Journal of the Royal Society of New Zealand abstracts

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A revision of the freshwater amphipod genus Phreatogammarus in New Zealand. Part 1: a re-description of P. helmsii Chilton, 1918 and a new species from Northland

M. A. Chapman

Centre for Biodiversity and Ecology Research, Department of Biological Sciences, University of Waikato,
Private Bag 3105, Hamilton, New Zealand.

Abstract   Phreatogammarus helmsii is completely re-described and new distribution records, mainly from the North Island, are given. This epigean freshwater species apparently occurs only in coastal habitats, except in the Waikato River system, and has not been found south of Banks Peninsula. P. waipoua sp. nov. is described and is so far known only from two Northland forests.

Keywords   Crustacea; Amphipoda; Phreatogammaridae; Phreatogammarus helmsii; Phreatogammarus waipoua; New Zealand; freshwater

R02015 Received 7 June 2002; accepted 13 May 2003; online publication date 11 September 2003
© Journal of the Royal Society of New Zealand, Volume 33, Number 3, September 2003, pp 633-661

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