Arangina pluva is a species of Dictynidae spider that is endemic to New Zealand.

[1] This species was described in 1970 by Ray Forster from male and female specimens collected in Pohangina Valley.

This species has a dark brown carapace, pale yellow brown legs and mottled grey abdomen that has a faint chevron pattern dorsally.

[1] This species is only known from a few locations in the North Island of New Zealand.

[1] Under the New Zealand Threat Classification System, this species is listed as "Not Threatened".