Mesudus solitariusMesudus solitarius is a species of Desidae spider that is endemic to New Zealand.TaxonomyThis species was described as Manawa ''solitaria'' by Ray Forster in 1970 from female specimens. The holotype is stored in Canterbury Museum.DescriptionThe female is recorded at 6.3mm in length. The carapace and legs are yellow brown. The abdomen is creamy with dark patches.DistributionThis species is only known from Nelson, New Zealand.Conservation statusUnder the New Zealand Threat Classification System, this species is listed as "Data Deficient" with the qualifiers of "Data Poor: Size" and "Data Poor: Trend".