Cantuaria insulana is a species of trapdoor spider endemic to New Zealand.
Taxonomy This species was described in 1968 by Ray Forster from female specimens collected in Marlborough Sounds.
Description The female is recorded at 17.3mm in length. The carapace and legs are orange brown. The abdomen is cream with dorsal bands.
Distribution This species is only known from D'Urville Island in New Zealand.
Conservation status Under the New Zealand Threat Classification System, this species is listed as Naturally Uncommon with the qualifiers of "Island Endemic" and "One Location".
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