Nomenclatural notes on the genus-group names of the order Acarina. These nomenclatural notes deal with the homonymy of 15 genus-group names of the 13 Acari families, Ascidae, Diarthrophallidae, Diptilomiopidae, Eriophyidae, Halacaridae, Holothyridae, Phytoptidae, Syringobiidae, Tarsonemidae, Tetranychidae, Walchiidae, Xenocaligonellididae, and Zerconidae. Nomenclatural notes on the genus-group names of the families Pompilidae and Sphecidae (Hymenoptera). These nomenclatural notes deal with the homonymy of 2 genus-group names in the families Pompilidae and Sphecidae (Hymenoptera) from Taiwan and Papua New Guinea. Tropicalia nom. nov., a replacement name for pre-occupied genus name from South America (Scarabaeidae, Coleoptera). Miscellaneous Nomenclatural Notes. Replacement names and emendation are proposed in Araneida, Orthoptera, Lepidoptera, and Mantodea. Nomenclatural notes on some species-group names in the family Asilidae (Diptera). These nomenclatural notes deal with the homonymy of the 28 species group names in the family Asilidae, found in various countries of the world.