Theridion argentatulum is a species of Theridiidae that is endemic to New Zealand.Urquhart, A. T. (1892). Descriptions of new species of Araneidae. Transactions and Proceedings of the New Zealand Institute 24: 230-253
Taxonomy This species was described as Theridion argentatum in 1892 by Arthur Urquhart from a female specimen. In 1942, the species name was changed to Theridion argentatulum.Roewer, C. F. (1942). Katalog der Araneae von 1758 bis 1940. 1. Band (Mesothelae, Orthognatha, Labidognatha: Dysderaeformia, Scytodiformia, Pholciformia, Zodariiformia, Hersiliaeformia, Argyopiformia). Natura, Buchhandlung für Naturkunde und exakte Wissenschaften Paul Budy, Bremen, 1040 pp
Description The female is recorded at 3.2mm in length.
Distribution This species is only known from Hawera, 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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