Description: It is a medium- to large-sized beetle with an elongated, robust body and hard, shiny integument. The coloration is generally dark with metallic greenish or bluish reflections, especially on the pronotum and elytra, which usually show fine longitudinal striations. The legs are long and strong, adapted for running, and the mandibles are well developed, typical of active predatory ground beetles.

Geographic distribution: It is mainly distributed in central and northern Argentina, with records from the Pampas, Chaco, and transitional areas toward drier regions. Its occurrence is closely linked to open landscapes with abundant ground-dwelling prey.

Habitat: It inhabits grasslands, natural fields, agricultural areas, and forest edges, where it shelters under stones, plant debris, and loose soil. It tolerates a certain degree of human disturbance, provided that suitable microhabitats remain available.

Diet: It is a generalist predator, feeding primarily on caterpillars, insect larvae, terrestrial arthropods, and other small invertebrates. It plays an important ecological role as a natural biological control agent, particularly in agroecosystems.

Behavior: It shows mainly nocturnal activity and high terrestrial mobility. It is an active and agile hunter, searching for prey on the ground and capturing it with powerful mandibles. When disturbed, it may quickly hide or remain motionless.

Reproduction: Reproduction is oviparous, with eggs laid in the soil. The larvae are also predatory and soil-dwelling, passing through several instars before pupating underground. The life cycle is strongly influenced by temperature and food availability.

Conservation status: It is not currently listed under any global threat category. It is generally regarded as Not Evaluated or of Least Concern, although local populations may be affected by intensive pesticide use and habitat loss.

Author of this compilation: EcoRegistros – 15/12/2025