Mangua forsteri is a species of Physoglenidae spider endemic to New Zealand.Forster, R. R., Platnick, N. I. & Coddington, J. (1990). A proposal and review of the spider family Synotaxidae (Araneae, Araneoidea), with notes on theridiid interrelationships. Bulletin of the American Museum of Natural History 193: 1-116
Taxonomy This species was described as Linyphia setosa in 1964 by Ray Forster from male and female specimens.Forster, R. R. (1964b). The Araneae and Opiliones of the subantarctic islands of New Zealand. Pacific Insects Monographs 7: 58-115 The species name was changed to Linyphia forsteri in 1983.Brignoli, P. M. (1983c). A catalogue of the Araneae described between 1940 and 1981. Manchester University Press, 755 pp It was most recently revised in 1990, in which it was moved to the Mangua genus. The holotype is stored in Te Papa Museum under registration number AS.000108.
Description The male is recorded at 2.14mm in length whereas the female is 1.66mm. The male has a dark brown cephalothorax and dark brown legs. The abdomen is black brown and has a pale pattern dorsally.
Distribution This species is known from the subantarctic Campbell Island and Auckland Islands in New Zealand.
Conservation status Under the New Zealand Threat Classification System, this species is listed as "Not Threatened".
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