The Ussher's flycatcher is a species of bird in the family Muscicapidae. It is found in Ivory Coast, Ghana, Guinea, Guinea-Bissau, Liberia, Nigeria, and Sierra Leone. Its natural habitats are subtropical or tropical dry forests and subtropical or tropical moist lowland forests.
Its natural habitats are subtropical or tropical dry lowland grassland, subtropical or tropical seasonally wet or flooded lowland grassland, arable land, and pastureland. It is threatened by habitat loss.
The black-and-white monjita is the only species in the genus Heteroxolmis. It is sometimes placed in the genus Xolmis.