Rinawa cantuaria is a species of Hahniidae spider endemic to New Zealand.[1]
This species was described by Ray Forster in 1970 from male and female specimens. The holotype is stored in Canterbury Museum.
The male is recorded at 1.96mm in length whereas the female is 1.24mm. The carapace is yellow brown. The abdomen has a chevron pattern dorsally.
This species is only known from Canterbury, New Zealand.
Under the New Zealand Threat Classification System, this species is listed as "Not Threatened".[2]