Carabus problematicus is a large ground beetle species native to European temperate forests, characterized by its metallic blue-black exoskeleton and predatory behavior in woodland ecosystems.
Deciduous and mixed forests across central and northern Europe, typically found in woodland floor environments with dense leaf litter and humid microhabitats
Key predatory invertebrate in forest ecosystems, controlling populations of smaller invertebrates and serving as important indicator species for forest biodiversity and ecosystem health
