Ptiliidae from New Zealand's subantarctic islands (Campbell I., The Snares, and the Auckland and Antipodes Is) are discussed. Keys are given to genera and species, and the following new species are described: Ptinella octopunctata (Auckland Is; North I., New Zealand); P. atrata (Antipodes Is, Auckland Is); P. snarensis (The Snares, Auckland Is); Acrotrichis subcognata (Auckland Is; South I., New Zealand; Oregon, U.S.A.). Acrotrichis subantarctica Gress. & Sam., originally described from Campbell I., is shown to be identical with the Holarctic insularis (Makl.).