The Harvestmen (Arachnida, Opiliones) of British Columbia
Keywords:
Arachnida, Opiliones, Harvestmen, BC speciesAbstract
Twenty species of harvestmen (six families within three suborders) are known from British Columbia. They are 1) Triaenonychidae: Paranonychus brunneus, Sclerobunus nondimorphicus; 2) Ceratolasmatidae: Hesperonemastoma modestum; 3) Sabaconidae: Sabacon occidentalis, Sabacon species, Taracus species; 4) Nemastomatidae: Dendrolasma mirabile, Ortholasma pictipes; 5) Sclerosomatidae: Leiobunum exilipes, Leuronychus pacifcus, Nelima paessleri, Togwoteeus biceps; 6) Phalangiidae: Leptobunus parvulus, Liopilio glaber, Odiellus pictus, Oligolophus tridens, Opilio parietinus, Paraoligolophus agrestis, Phalangium opilio and Rilaena triangularis. Four are new records for BC: O. parietinus, O. pictus, the second Sabacon species, and the undetermined Taracus species. There are reports of two other species (Sclerosomatidae: Hadrobunus grandis and Leiobunum aldrichi) but these are probably incorrect. A further nine species have been collected from the Yukon or adjacent American states and may occur in the province. Each of these 31 species is listed along with information on its taxonomy and distribution. Updates on locations and earliest collection dates are also given for three species introduced into North America from Europe: O. tridens, P. agrestis and R. triangularis.References
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