Calosoma lariversi, Lariver's beautiful black searcher, is a species of ground beetle in the subfamily of Carabinae. It was described by Van Dyke in 1943. This species is found in California and Nevada,Catalogue of Life: Calosoma lariversi where it inhabits the Great Basin desert.
Adults are brachypterous.A Treatise on the Western Hemisphere Caraboidea (Coleoptera)
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