This warbler has a white eyebrow and white markings around the eye. In a diet study in Brazil's Atlantic Forest, ants and beetles made up more than 70% of the recorded food items.
The head is gray with a darker crown, and the eyebrow and periocular area are white. The upperparts are olive, the underparts whitish with a gray breast, and the brown wings and tail have olive outer edges.
In a study in southeastern Brazil's Atlantic Forest, more than 70% of the food items identified in fecal samples were ants (Formicidae) and beetles (Coleoptera). The researchers reported that the birds foraged mainly on the ground but also regularly took arthropods from foliage.
An extinction-risk assessment has not been added yet.