Nudobius

Larvae can be distinguished from other Xantholinini genera by a combination of external morphological characters including detailed structures of the head capsule, mouthparts, and abdominal segments. Adults likely exhibit the elongated body and shortened elytra typical of Staphylinidae, though genus-specific diagnostic features for adults are not specified in available sources.

Subcortical environments, specifically under bark of dead or dying trees. Strongly associated with bark beetle (Scolytinae) galleries in forest ecosystems.

Europe (including Denmark, Norway, Sweden) and Northern America.

Predatory. Has been observed preying on bark beetles, including Ips typographus.

• Ips typographus - preyEuropean spruce bark beetle
• bark beetles (Scolytinae) - preygeneral association with scolytine galleries

Mature larvae have been described and illustrated; complete developmental sequence not detailed in available sources.

Predator of bark beetles; acts as a natural enemy that may limit bark beetle population growth in forest ecosystems.

Potential biological control agent for economically damaging bark beetle pests in forestry.

• GabriusBoth genera contain predatory species associated with bark beetle galleries and belong to related subtribes within Staphylininae; mature larvae can be distinguished by diagnostic characters of head capsule and abdominal structures.

• BugGuide
• Wikipedia
• GBIF taxonomy match
• iNaturalist taxon
• NCBI Taxonomy
• Catalogue of Life
• Re-descriptions of mature larvae of two predatory species of Nudobius and Gabrius associated with bark beetle galleries (Coleoptera: Staphylinidae)