Sphaeroderus bicarinatus
Sphaeroderus bicarinatus, the two-ridged false snail-eating beetle, is a species of ground beetle in the family Carabidae. It is found in North America, where it inhabits coniferous, deciduous and mixed forests near rivers and brooks or the seashore.
Adults are brachypterous and mostly nocturnal. They prey on snails, Lepidoptera caterpillars and pupae.