Nebria trifaria is a species of brown coloured ground beetle in the Nebriinae subfamily that can be found in such US states as Montana, Utah, and Wyoming.
Adults are brachypterous, nocturnal and carnivorous.A Treatise on the Western Hemisphere Caraboidea (Coleoptera)
Subspecies Nebria trifaria trifaria (Idaho, Montana, Nevada, Utah, Wyoming) - northern chain-backed gazelle beetle Nebria trifaria pasquineli Kavanaugh, 1984 (Colorado, Wyoming) - Pasquinel's gazelle beetle
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