New species Anderus rakiura and Anderus pipiwai found in New Zealand, highlighting biodiversity.
Two new species of ground wētā endemic to Aotearoa New Zealand are described. Anderus rakiura sp. nov. is known only from Rakiura Stewart Island and is phylogenetically sister to A. subantarcticus, which is endemic to Tini Heke—The Snares, a smaller and more southern group of islands. Anderus pipiwai sp. nov. is found in wet forest of southwest South Island where it is sympatric with at least two other congeneric species. These additions bring the total number of Anderus species to eight.
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Trewick et al. (2025) studied this question.
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