
Sylvietta, the crombecs, is a genus of African warblers. Formerly placed in the massively paraphyletic Sylviidae, it is now considered to belong to a newly recognized family found only in Africa, Macrosphenidae.

The green crombec is a species of African warbler, formerly placed in the family Sylviidae. It is widespread across the African tropical rainforest. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist shrubland.

The lemon-bellied crombec is a species of African warbler, formerly placed in the family Sylviidae. It is sparsely present throughout the African tropical rainforest. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist shrubland.

The long-billed crombec or Cape crombec is an African warbler.

The northern crombec is a species of African warbler, formerly placed in the family Sylviidae. It is found in Benin, Burkina Faso, Cameroon, Central African Republic, Chad, Democratic Republic of the Congo, Ivory Coast, Djibouti, Eritrea, Ethiopia, Gambia, Ghana, Guinea, Guinea-Bissau, Kenya, Mali, Mauritania, Niger, Nigeria, Senegal, Sierra Leone, Somalia, Sudan, Tanzania, Togo, and Uganda. Its natural habitat is dry savanna.

Philippa's crombec, also known as the short-billed crombec, is a species of African warbler, formerly placed in the family Sylviidae. It is found in Ethiopia and Somalia. Its natural habitat is dry savanna.

The red-capped crombec is a species of African warbler, formerly placed in the family Sylviidae.

The red-faced crombec is a species of African warbler, formerly placed in the family Sylviidae. It is found in Burundi, Ethiopia, Kenya, Malawi, Mozambique, Namibia, Rwanda, South Sudan, Tanzania, Uganda, and Zimbabwe. Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist montane forests, and subtropical or tropical dry shrubland.

The white-browed crombec is a species of African warbler, formerly placed in the family Sylviidae. The enigmatic Chapin's crombec might be a distinct species, or a subspecies Sylvietta leucophrys chapini of the present species.