
Hylophilus is a genus of bird in the family Vireonidae. Established by Coenraad Jacob Temminck in 1822, it contains the following species as of 2014:Grey-eyed greenlet Rufous-crowned greenlet Olivaceous greenlet Ashy-headed greenlet Brown-headed greenlet Lemon-chested greenlet Scrub greenlet Grey-chested greenlet

The ashy-headed greenlet is a species of bird in the family Vireonidae. It is found in Bolivia, Brazil, French Guiana, Guyana, Peru, Suriname, and Venezuela. Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist lowland forests, subtropical or tropical mangrove forests, and heavily degraded former forest.

The brown-headed greenlet is a species of bird in the family Vireonidae. It is found in northwestern Amazon Basin of Brazil, Colombia and Venezuela. Its natural habitat is subtropical or tropical dry shrubland.
The grey-chested greenlet is a species of bird in the family Vireonidae. It is found in Bolivia, Brazil, Colombia, French Guiana, Peru, and Venezuela. Its natural habitats are subtropical or tropical moist lowland forests and heavily degraded former forest.

The grey-eyed greenlet is a species of bird in the family Vireonidae. It is found in Bolivia and Brazil. Its natural habitats are subtropical or tropical dry forests, subtropical or tropical moist lowland forests, subtropical or tropical dry shrubland, and heavily degraded former forest.

The lemon-chested greenlet is a species of bird in the family Vireonidae. It is found in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela.

The olivaceous greenlet is a species of bird in the family Vireonidae. It is found in on the eastern slope of the Andes in Ecuador and Peru. Its natural habitat is subtropical or tropical moist montane forests.
The rufous-crowned greenlet is a species of bird in the family Vireonidae, the vireos. It is found in Argentina, Bolivia, Brazil and Paraguay; also southern regions of the Pantanal surrounding the Paraguay River.

The scrub greenlet or scrub vireo, is a small passerine bird in the vireo family. It breeds in Costa Rica, Panama, Colombia, Venezuela and Tobago. They can be found in the southernmost part of Central America and northern South America, which can be defined as extending from Venezuela to Colombia.