While native to Europe, it has been introduced to and is expanding its range throughout North America.

[1] Carabus nemoralis is a beneficial predator as it eats the agricultural pest Deroceras reticulatum slug in its young stage and also its eggs.

Use of Carabus nemoralis as a biocontrol agent for multiple pests in large scale farming operations have been tested in recent years.

[2] It is known that some Carabus nemoralis populations will regurgitate foul-smelling brownish-red liquid as a defense mechanism.

Carabus nemoralis typically has one breeding period in the spring with eggs hatching in autumn of the same year.