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Six genus-group names in the tribe Trichiini (Coleoptera: Scarabaeidae: Cetoniinae) are discussed with regards to their availability and validity under the International Code of Zoological Nomenclature. Aleurostictus Kirby, Archimedius Kirby, Euclidius Kirby, Gymnodus Kirby, Tetrophthalmus Kirby, and Trichinus Kirby all have priority over most other generic names in the tribe but none of the names are in prevailing usage. Clarifications are needed due to the reemergence of Aleurostictus Kirby in current literature and confusion over the nomenclatural status of the other names. Type species are designated for Aleurostictus Kirby, Tetrophthalmus Kirby, and Stegopterus Burmeister and Schaum. The gender of the genera Trigonopeltastes Burmeister and Schaum and Apeltastes Howden is also discussed.