Zealaranea crassa is a species of orb-weaver spider that is endemic to New Zealand.Court, D. J. & Forster, R. R. (1988). The spiders of New Zealand: Part VI. Family Araneidae. Otago Museum Bulletin 6: 68-124.
Taxonomy This species was first described as Epeira crassa by Charles Walckenaer in 1841.Walckenaer, C. A. (1841). Histoire naturelle des Insects. Aptères. Tome deuxième. Roret, Paris, 549 pp., pl. 16-22. doi:10.5962/bhl.title.61095 It has undergone numerous revisions, but was mostly recently revised in 1988. The holotype location is unknown.
Description The female is recorded at 9.2mm in length whereas the male is 6.2mm. The colour patterns of the body are extremely variable
Distribution This species is known from throughout New Zealand.
Conservation status Under the New Zealand Threat Classification System, this species is listed as "Not Threatened".
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