Abstract Adult and immature stages of a new species, Brachys cleidecostae sp. nov., are described and illustrated. This species represents the first leaf-mining buprestid with two broad, prominent horn-like apophyses on vertex, resembling broad horns. The material was collected within unusual shaped leaf mines in Alibertia sessilis (Vell.) K. Schum (Rubiaceae), a native species from Brazilian Savanna (Cerrado). This is the first record of Brachys associated with a host plant of family Rubiaceae.

É apresentado a lista de espécies do gênero Agrilus, preservadas no Museu de Zoologia da Universidade de São Paulo. Foram identificadas 84 espécies, das quais 15 novas para a ciência, aqui descritas: A. aegrotus sp. nov., A. anceps sp. nov., A. vanini sp. nov., A. casarii sp. nov., A. crux sp. nov., A. dubiosus sp. nov., A. femina sp. nov., A. fusicauda sp. nov., A. geminus sp. nov., A. giannii sp. nov., A. globulus sp. nov., A. ribeiroi sp. nov., A. timorosus sp. nov., A. martinsi sp. nov., A. yeti sp. nov. A. comizon Obenberger, 1935 foi classificado como subespécie de A. chrysostictus Klug, 1825 e vem proposto o novo status de Agriloides agoretus (Obenberger, 1935) e Autarcontes posticalis (Gory & Laporte, 1835) ambos descritos como Agrilus. São propostos 9 sinónimos novos: A. fasciatellus Thomson, 1878 (= A. fucatus Obenberger, 1935 syn. nov. = A. laelius Obenberger, 1935 syn. nov. = A. subfasciatellus Obenberger, 1936 syn. nov.); A. lucens Kerremans, 1897 (= A. auriceps Kerremans, 1889 syn. nov. = A. barrandei Obenberger, 1897 syn. nov.); A. violacellus Thomson, 1879 (= A. bathyllus Obenberger, 1933 syn. nov.); A. chrysostictus Klug, 1825 (= A. lucullus Obenberger, 1935 syn. nov. = A. korsakovi Obenberger, 1935 syn. nov.); A. piscis Gory, 1841 (= Agriloides bipunctatus Cobos, 1967 syn. nov.). Além da lista de Agrilus, foram assinaladas também duas espécies de Agriloides Kerremans, 1903 e um do Autarcontes Waterhouse, 1887.

A checklist of the Agrilus species from the Museu de Zoologia da Universidade São Paulo is proposed. Eighty-four species are identified, of which fifteen are new and hereby described: A. aegrotus sp. nov., A. anceps sp. nov., A. vanini sp. nov., A. casarii sp. nov., A. crux sp. nov., A. dubiosus sp. nov., A. femina sp. nov., A. fusicauda sp. nov., A. geminus sp. nov., A. giannii sp. nov., A. globulus sp. nov., A. ribeiroi sp. nov., A. timorosus sp. nov., A. martinsi sp. nov., A. yeti sp. nov. Agrilus comizon Obenberger, 1935 is proposed as subspecies of A. chrysostictus Klug, 1825 together with the new state of Agriloides agoretus (Obenberger, 1935) e and Autarcontes posticalis (Gory & Laporte, 1835), both described as Agrilus. Nine new synonymies are proposed: A. fasciatellus Thomson, 1878 (= A. fucatus Obenberger, 1935 syn. nov. = A. laelius Obenberger, 1935 syn. nov. = A. subfasciatellus Obenberger, 1936 syn. nov.); A. lucens Kerremans, 1897 (= A. auriceps Kerremans, 1889 syn. nov. = A. barrandei Obenberger, 1897 syn. nov.); A. violacellus Thomson, 1879 (= A. bathyllus Obenberger, 1933 syn. nov.); A. chrysostictus Klug, 1825 (= A. lucullus Obenberger, 1935 syn. nov. = A. korsakovi Obenberger, 1935 syn. nov.); A. piscis Gory, 1841 (= Agriloides bipunctatus Cobos, 1967 syn. nov.). The list also includes one species of Agriloides Kerremans, 1903 and one of Autarcontes Waterhouse, 1887.