Zelandoperla, the type genus of Zelandoperlinae (Gripopterygidae), is revised, and a new diagnosis, species keys, distribution maps and emergences graphs are given. Zelandoperla tillyardi new species is described, Z. fenestrata pennulata is raised to specific rank and Z. maculata considered nomen dubium. Maps of distribution of species are given.

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Amended diagnoses of Austroperla and the family Austroperlidae are given. A revised description is given of Austroperla cyrene (Plecoptera : Austroperlidae), type species of the monotypic genus Austroperla and the sole austroperlid in New Zealand. Included are notes on its distribution and biology.

In Austrothaumalea, A. neozealandica andA. appendiculata are redescribed; New Zealand species are divided into two spccies groups (neozealandica and appendiculata groups). A. crosbyi. A. gibbsi, A. macfarlanei, A. maxwelli, A. ngaire, A. pala, A. walkerae, and A. zwicld n. spp. are described. A diagnosis is given for Oterere n. gen. and O. oliveri n. sp. is described. A new combination is Oterere setipennis (Edwards) from Argentina, originally described inAustrothaumalea.