Hylocrius

Hylocrius is a genus of beetles belonging to the family Staphylinidae, commonly known as rove beetles. These beetles are characterized by their elongated bodies and short elytra that leave most of their abdominal segments exposed. The genus Hylocrius is primarily found in the Neotropical region.

Species within Hylocrius are typically associated with forest environments, often inhabiting decaying wood, leaf litter, or moss. Their exact ecological roles are not extensively documented for all species, but like many rove beetles, they are likely predators or scavengers, feeding on small invertebrates such as mites, springtails, or insect eggs and larvae. Their morphology suggests adaptations for navigating through dense, complex microhabitats.

Research on Hylocrius is relatively limited compared to more widely studied beetle genera. Taxonomic revisions and descriptions of new species continue to expand the known diversity of this group. Detailed ecological studies are needed to fully understand their life cycles, feeding habits, and contributions to forest ecosystems. The genus remains an area of interest for entomologists studying the biodiversity of Neotropical Staphylinidae.