The present study deals with the morphological characteristics of the Indo-Australian geometrid moth genus Antimimistis Turner, 1922 sensu Holloway, 1997. The genus currently comprises four species. The moths are small, the upper side of the wings is usually dark brown, with irregular whitish lines, often with a pale central spot at the termen. Two species, A. circumsubteracta, sp. nov. and A. malukensis, sp. nov., are described from Southeast Asia as new. The diagnostic attributes of the specie