Abstract
The formerly monotypic New Zealand leiodid genus Chelagyrtodes Szymczakowski (type species Chelagyrtodes crow-soni Szymczakowski) is revised to include five new species from the South Island: C.mewtoni n. sp., C. rotundus n. sp., C. haasti n. sp., C.glacicola n. sp., and C davidi n. sp. Four of these new species lack the unusual tibial dimorphism previously used to diagnose this genus, but can be recognized by the presence of a subapical spine cluster on the interior face of the mandible, procoxal cavities with an anterior carina or bead, and a series of minute, setiferous punctures along the lateral margins of the hypomeron. A key and phylogenetic analysis based on adult morphology is provided for the six species of Chelagyrtodes. Natural historyand distribution of Chelagyrtodes are discussed in the context of phylogenetic data.
NSTL