Anoteropsis arenivaga is a species of Lycosidae spider that is endemic to New Zealand.Vink, C. (2002). Lycosidae (Arachnida: Araneae). Fauna of New Zealand 44: 1-94
Taxonomy This species was first described as Lycosa arenaria by Arthur Urquhart in 1891.Urquhart, A. T. (1891). On new species of Araneae. Transactions and Proceedings of the New Zealand Institute 23: 128-189, pl. 21. It was most recently revised in 2002. The syntype is presumed lost.
Description The male is recorded at 5.6-7.6mm in length whereas the female is 6.6-9.1mm. The carapace is coloured brown with whitish hairs. The legs are orange brown with dark bands. The abdomen is dark grey with grey markings dorsally. It is best distinguished from other Anoteropsis by differences in the male and female genitalia.
Distribution/habitat This species is only known from the South Island of New Zealand. It is apparently absent above 42°S. It typically occurs along river beds, lake edges and beaches. Adults are most often found during summer months.
Conservation status Under the New Zealand Threat Classification System, this species is listed as "Naturally Uncommon" with the qualifier of "Range Restricted".
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