Three new genera of Synchitini are described from New Zealand, including two monotypic genera, Oparara Leschen and Lord, new genus (type species Oparara marskeae Leschen and Lord, new species) and Tarphionivea Leschen and Lord, new genus (type species T. lindsayae Leschen and Lord, new species). The New Zealand Bitoma Herbst comprise members of multiple genera, and six are here transferred to Zebitoma Leschen and Lord, new genus (type species Bitoma nana Sharp, 1876), resulting in the following: Zebitoma brouni (Hetschko, 1928), new combination; Zebitoma discoidea (Broun, 1880), new combination; Zebitoma guttata (Broun, 1886), new combination; Zebitoma lobata (Broun, 1886), new combination; Zebitoma nana (Sharp, 1876), new combination; Zebitoma novella (Hetschko, 1929), new combination; Zebitoma picicornis (Broun, 1909), new combination; Zebitoma rugosa (Sharp, 1876), new combination; Zebitoma scita (Broun, 1886), new combination.