Ptininae
Guides
Meziini
Meziini is a tribe of small beetles within the family Ptinidae (spider beetles and deathwatch beetles), established by Bellés in 1985. Members of this tribe are characterized by their compact body form and are classified within the subfamily Ptininae. The tribe represents a distinct lineage within the diverse Ptinidae, a family known for species associated with stored products, wood, and dry organic matter. Based on iNaturalist records, the group has been documented in at least 446 observations, indicating moderate levels of detection by naturalists.
Trigonogenius
Trigonogenius is a genus of spider beetles in the family Ptinidae, established by Hagedorn in 1912. The genus contains five to six described species, including the globular spider beetle (Trigonogenius globulum). A new species was described from Peru in 2025, indicating ongoing taxonomic work and expanding knowledge of the genus's Neotropical diversity.