Two new species of grasshoppers (Orthoptera: Acrididae, subfamily Catantopinae, tribe Catantopini, subtribe Russalpiina) from Fiordland in the South Island of New Zealand are described. The morphological characteristics of Sigaus homerensis new species and Sigaus takahe new species are described. A key suitable for field use to distinguish the Sigaus grasshoppers is also presented.
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