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Blethisa multipunctata
multidotted ground beetle, Dimpled Marsh Beetle
Blethisa multipunctata is a ground beetle species found along freshwater margins in Europe and parts of North America. It exhibits a rare amphibious lifestyle among carabid beetles, hunting both on land and underwater for extended periods. The species has been observed diving voluntarily and remaining submerged for up to 97 minutes without surfacing for air.