Theridion porphyreticum is a species of Theridiidae that is endemic to New Zealand.Urquhart, A. T. (1889). On new species of Araneida. Transactions and Proceedings of the New Zealand Institute 21: 134-152.
Taxonomy This species was described in 1889 by Arthur Urquhart from a female specimen.
Description The female is recorded at 5mm in length.
Distribution This species is only known from Waiorongomai Gorge in New Zealand.
Conservation status Under the New Zealand Threat Classification System, this species is listed as "Data Deficient" with the qualifiers of "Data Poor: Size", "Data Poor: Trend" and "One Location".
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