Meringa australis is a species of Physoglenidae spider endemic to New Zealand.[1]
This species was described in 1990 by Ray Forster from male and female specimens. The holotype is stored in Te Papa Museum.
The male is recorded at 4.02mm in length whereas the female is 2.56mm. The carapace is pale brown. The abdomen has pale markings dorsally.
This species is only known from Big South Cape Island, New Zealand.
Under the New Zealand Threat Classification System, this species is listed as "Naturally Uncommon" with the qualifier of "Island Endemic" and "One Location".[2]