New taxa described: Cerambycinae, Achrysonini-Ectenessa andrei, sp.n. (Brazil: Rio Grande do Sul); Lamiinae, Lamiini - Neoptychodes cosmeticus, sp.n. (Equador); Onciderini - Charoides pepoata, sp.n. (Bolívia); Venustus analogus, sp.n. (Colombia); Oncideres mirim, sp.n. (Brazil: Pará); Compsosomatini - Compsosoma monnei, sp.n. (Bolivia); Desmiphorini - Desmiphora auatinga, sp.n. (Ecuador); Iurubanga, gen.n., I. arixi, sp.n. (Brazil: Paraná, Santa Catarina); Acanthoderini -Acakyra, gen.n., A. iaguara, sp.n. (Colombia); Anisocerini - Phacellocera susua, sp.n. (Equador); Falsamblesthiini - Camixaima, gen.n., C. beraba, sp.n. (Equador); Calliini - Callisema iucaua, sp.n. (Peru); Lustrocomus, gen.n., L. paraensis, sp.n. (Brazil: Pará). Fredlanella, nom.n. is given to Taperinha Lane. 1964 non Linnavuori, 1959 (Homoptera). Neomoema, nom. n. is proposed for Moema Martins & Galileo, 1992 non Costa, 1989 (Pisces). Anisocerus palliatus White, 1855 is transterred to the genus Phacellocera Laporte, 1840. Notes are presented on Calocomus kreuchelyi Buquet, 1840 (Prioninae, Calocomini) and Venustus zeteki Dillon & Dillon, 1945 (Lamiinae. Onciderini). A key to the species of Callisema Martins & Galileo, 1990 (Lamiinae, Calliini) is added.
Cerambycidae; Coleoptera; Neotropical; South America; taxonomy