This dataset contains the digitized treatments in Plazi based on the original journal article Ferreira, Gabriel S., Corrêa, Caio C. D., Monné, Miguel A., Monné, Marcela L. (2024): New species of the wasp-mimic Parahephaestion Melzer, 1930 (Coleoptera: Cerambycidae), from Minas Gerais, Brazil, with new records. Zootaxa 5418 (3): 291-300, DOI: 10.11646/zootaxa.5418.3.7, URL: http://dx.doi.org/10.11646/zootaxa.5418.3.7AbstractA new species, Parahephaestion mimicus sp. nov., is described. Two species are newly recorded for the Brazilian state of Minas Gerais: Sphalloeme costipennis Melzer, 1928 (Cerambycinae, Oemini) and Oreodera omissa Melzer, 1932 (Lamiinae, Acrocinini). Six species are new records for the RPPN Sanctuary of Caraça, (Brazil, Minas Gerais): Thalusia atrata (Melzer, 1918) (Cerambycinae, Rhopalophorini), Trachelissa pustulata (Audinet-Serville, 1834) (Cerambycinae, Trachyderini), Ateralphus dejeani (Lane, 1973) (Lamiinae, Acanthoderini), Phacellocera plumicornis (Klug, 1825) (Lamiinae, Anisocerini), Oncideres impluviata (Germar, 1823), and Psyllotoxus griseocinctus Thomson, 1868 (Lamiinae, Onciderini).Key word: Longhorn beetles, Pompilidae, Neotropical, Batesian mimicry, Necydalinae