''Sclerobunus robustus'' is a
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
of
harvestman
The Opiliones (formerly Phalangida) are an order of arachnids colloquially known as harvestmen, harvesters, harvest spiders, or daddy longlegs. , over 6,650 species of harvestmen have been discovered worldwide, although the total number of ext ...
that occurs in the western
United States
The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...
, including Arizona, Colorado, New Mexico, and Utah. The species formerly consisted of three subspecies, two of which (S. glorietus and S. idahoensis) were elevated to full species status in 2014.
References
Harvestmen
Arachnids of North America
Taxa named by Alpheus Spring Packard
Animals described in 1877
{{Opiliones-stub