Asemesthes nigristernusAsemesthes nigristernus is a species of spider in the family Gnaphosidae.DistributionAsemesthes nigristernus is known only from its type locality given as "Cap de Bonne Esperance".Habitat and ecologyThe species is a free-living ground dweller, but specific habitat information is not available.DescriptionAsemesthes nigristernus is known only from the female.ConservationAsemesthes nigristernus is listed as Data Deficient due to taxonomic reasons, as too little is known about the location, habitat and threats to this taxon for an assessment to be made. Placement of the species is also problematic. Study of type material and redescription are needed.TaxonomyThe species was originally described by R. de Dalmas in 1921 with the type locality only given as "Cap de Bonne Esperance". It has not been revised since its original description.