Scaphinotus mannii, Mann's snail-eating beetle, is a species of beetle of the Carabidae family. This species is found in the United StatesCatalogue of Life: Scaphinotus mannii (Oregon, Washington), where it inhabits forests fragments and scrub in canyons and along rivers.

Adults are brachypterous, gregarious and nocturnal.A Treatise on the Western Hemisphere Caraboidea (Coleoptera)

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