There are about 1275 genus-group names available in the 14 scarab subfamilies treated here by the end of August 2024. Of these, 917 refer to currently accepted genera, mainly in the Melolonthinae (611), Sericinae (168) and Sericoidinae (96). A further >390 genus-group names are given subgeneric rank, placed in synonymy or are unavailable. The chronology of descriptions of currently valid genera shows similar patterns in each of the three subfamilies with many described in the 1840s, a large group in the late 1800s and early 1900s and a steady increase in numbers following World War 2. We predict that discovery of new genera, as well as the potential for further splitting of mega-genera with elevation of subgenera to full generic level, will continue the upward trend, albeit somewhat balanced by combining the numerous monobasic genera. Type species are designated for Monochelus Le Peletier de Saint-Fargeau & Audinet-Serville, 1828, Lepischiza Moser, 1914 and Trichoschiza Moser, 1917.
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Allsopp et al. (2024) studied this question.
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