Abcrana Saylor, 1942 accepted as Phyllophaga Harris, 1827 (source of synonymy)
Ablabera Dejean, 1833 (current name source)
Ablaberoides Blanchard, 1850 (current name source)
Ablotemus Paulsen & Smith, 2003 accepted as Pseudosymmachia Dalla Torre, 1912 (source of synonymy)
Acanthosternum Philippi, 1861 accepted as Modialis Fairmaire & Germain, 1860 (source of synonymy)
Acarina Baraud, 1965 accepted as Omaloplia Schönherr, 1817 (source of synonymy)
Accia Curtis, 1844 accepted as Sericoides Guérin-Méneville, 1839 (source of synonymy)
Acheilo Britton, 1988 (current name source)
Achelyna Erichson, 1847 (current name source)
Achloa Erichson, 1840 (current name source)
Achranoxia Kraatz, 1888 (current name source)
Aclopus Erichson, 1835 (current name source)
Acoma Casey, 1890 (current name source)
Acoma Casey, 1890 (verified source for family)
Acratus Horn, 1867 accepted as Pseudacratus Dalla Torre, 1912 accepted as Chnaunanthus Burmeister, 1844 (source of synonymy)
Acyclochilus Sharp, 1916 accepted as Acylochilus Ohaus, 1909 (source of synonymy)
Acylochilus Ohaus, 1909 (current name source)
Acylochoides Martinez, 1975 accepted as Acylochilus Ohaus, 1909 (source of synonymy)
Adoretops Kraatz, 1883 (current name source)
Adoretopsis Fairmaire, 1887 accepted as Pegylis Erichson, 1847 (source of synonymy)
Adossa Britton, 1995 (current name source)
Adraria Villiers, 1956 (name verified source)
Aegidiellus Paulian, 1984 (current name source)
Aegidinus Arrow, 1904 (current name source)
Aegidium Westwood, 1845 (current name source)
Aegostheta Dejean, 1833 (current name source)
Aethiaratrogus Decelle, 1982 (current name source)
Afrolepis Decelle, 1968 (current name source)
Agaocephala Mannerheim, 1828 accepted as Agaocephala LePeletier & Serville, 1828 (source of synonymy)
Agaocnemis Moser, 1918 (current name source)
Aglaphyra Brenske, 1897 (current name source)
Ahrenserica Allsopp & Schoolmeesters, 2024 (current name source)
Aipeiopsis Péringuey, 1904 accepted as Scaphorhina Quedenfeldt, 1884 (source of synonymy)
Alaia Petrovitz, 1980 (current name source)
Alepida Allsopp, 2018 (current name source)
Aleucolomus Reitter, 1902 accepted as Chioneosoma Kraatz, 1892 (source of synonymy)
Aleucoschema Semenov-Tian-Shanskiĭ, 1935 accepted as Chioneosoma Kraatz, 1892 (source of synonymy)
Aliaclitopa Lacroix, 2003 (current name source)
Allara Britton, 1955 (current name source)
Allidiostoma Arrow, 1940 (current name source)
Allokotarsa Péringuey, 1904 (current name source)
Allophyllus Fauvel, 1903 (current name source)
Allothnonius Britton, 1978 (current name source)
Alobus Leconte, 1856 accepted as Diplotaxis Kirby, 1837 (source of synonymy)
Alogistotarsa Péringuey, 1904 (current name source)
Alophyllus Heller, 1916 accepted as Allophyllus Fauvel, 1903 (source of synonymy)
Alvarinus Blanchard, 1850 (current name source)
Amadotrogus Reitter, 1902 (current name source)
Amaladera Reitter, 1896 accepted as Maladera Mulsant & Rey, 1871 (source of synonymy)
Amaloplia Samouelle, 1819 accepted as Omaloplia Schönherr, 1817 (source of synonymy)
Amblonoxia Reitter, 1902 (current name source)
Amblymelanoplia Dombrow, 2002 (name verified source)
Amiserica Nomura, 1974 (current name source)
Amiserica Nomura, 1974 (basis of record)
Amorphochelus Fairmaire, 1898 (current name source)
Amphicrania Burmeister, 1855 accepted as Paulosawaya Martínez & d'Andretta, 1956 (source of synonymy)
Amphicrania Dejean, 1833 accepted as Liogenys Guérin, 1831 (source of synonymy)
Amphimalla Stephens, 1829 accepted as Amphimallon Berthold in Latreille, 1827 (source of synonymy)
Amphimallina Reitter, 1905 accepted as Amphimallon Berthold in Latreille, 1827 (source of synonymy)
Amphimallon Latreille, 1825 accepted as Amphimallon Berthold in Latreille, 1827 (current name source)
Amphimallon Berthold in Latreille, 1827 (current name source)
Amphimallum Agassiz, 1846 accepted as Amphimallon Berthold in Latreille, 1827 (source of synonymy)
Amphitrichia Brenske, 1894 (current name source)
Anacanthodes Britton, 1990 (current name source)
Anacanthopus Blackburn, 1898 accepted as Anacanthodes Britton, 1990 (source of synonymy)
Anacheirotus Blackburn, 1900 accepted as Heteronyx Guérin, 1831 (source of synonymy)
Anaeretes Dejean, 1836 accepted as Dichelonyx Harris, 1827 (source of synonymy)
Anahi Martínez, 1958 (current name source)
Anamatochoranus Lacroix, 1995 (current name source)
Anartioschiza Kolbe, 1894 (current name source)
Ancistrosoma Curtis, 1835 (current name source)
Ancylonycha Dejean, 1833 accepted as Holotrichia Hope, 1837 (source of synonymy)
Ancylonyx Britton, 1957 (current name source)
Ancystrosoma Sallé, 1849 accepted as Ancistrosoma Curtis, 1835 (source of synonymy)
Anenaria Lacroix, 1993 (current name source)
Aneucomides Blackburn, 1898 (current name source)
Anisochelus Burmeister, 1844 (current name source)
Anisonyx Latreille, 1806 (current name source)
Anisopholis Moser, 1913 (current name source)
Anodontonyx Sharp, 1890 accepted as Sericesthis Boisduval, 1835 (source of synonymy)
Anomalochela Moser, 1913 (current name source)
Anomalochilus Blanchard, 1850 accepted as Plectris Lepeletier & Serville, 1828 (source of synonymy)
Anomalonyx Moser, 1922 accepted as Anomonyx Saylor, 1940 (source of synonymy)
Anomalonyx Moser, 1921 represented as Anomalonyx Moser, 1922 accepted as Anomonyx Saylor, 1940 (source of synonymy)
Anomalophylla Reitter, 1887 (current name source)
Anomaloptera Burmeister, 1855 accepted as Philochloenia Dejean, 1833 (source of synonymy)
Anomioserica Arrow, 1947 (current name source)
Anomolyna Fairmaire, 1897 (current name source)
Anomonyx Saylor, 1940 (current name source)
Anoplosiagum Blanchard, 1850 accepted as Philochloenia Dejean, 1833 (source of synonymy)
Anoxia Laporte, 1833 (current name source)
Anoxiella Reitter, 1902 accepted as Brahmina Blanchard, 1851 (source of synonymy)
Anoxioides Petrovitz, 1971 (current name source)
Anoxoides Petrovitz, 1971 accepted as Anoxioides Petrovitz, 1971 (taxonomy source)
Antandroyanus Lacroix, 1993 (current name source)
Antemnacrassa Gomez Pallerola, 1979 † (basis of record)
Antemnacrassa Gomez Pallerola, 1979 † (current name source)
Anthotocus Britton, 1957 (current name source)
Anthrencya Lacroix, 1993 (current name source)
Antitrochalus Brenske, 1900 (current name source)

 Taxonomic remark

 for Atysilla Strand, 1942

Junior synonym in prevailing usage. [details]