A new species, Halone arcuata sp. nov. is described from Vietnam, and a new combination Halone bucseki (ern, 2009), comb. nov. is proposed. A diagnostic comparison between newly described species and H. viktorai Bucsek, 2014, H. solitus Bucsek, 2014 and H. hollowayi Bayarsaikhan Bae, 2019. Adults, male and female genitalia of all species mentioned are illustrated.