Alistra tuna is a species of Hahniidae spider endemic to New Zealand.Forster, R. R. (1970). The spiders of New Zealand. Part III. Otago Museum Bulletin 3: 1-184
Taxonomy This species was described as Tawerana reinga in 1970 by Ray Forster from a female specimen. In 1986 it was transferred to the Alistra genus.Brignoli, P. M. (1986). Spiders from Melanesia III. A new Alistra (Araneae, Hahniidae) from the Solomon Islands. Bollettino del Museo Civico di Storia Naturale di Verona 11: 327-332 The holotype is stored in Otago Museum.
Description The female is recorded at 2.03mm in length. The legs are coloured yellow brown. The abdomen has a pale marking dorsally.
Distribution This species is only known from Taumaranui, New Zealand.
Conservation status Under the New Zealand Threat Classification System, this species is listed as "Data Deficient" with the qualifiers of "Data Poor: Size", "Data Poor: Trend" and "One Location".
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