Theridion viridanumTheridion viridanum is a species of Theridiidae that is endemic to New Zealand.TaxonomyThis species was described in 1887 by Arthur Urquhart from female specimens.DescriptionThe female is recorded at 3mm in length.DistributionThis species is only known from Waiwera, New Zealand.Conservation statusUnder 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".