This roughly 12 cm tyrannulet lives in montane forests on the eastern side of the southern Andes. It forages in the middle and upper forest strata and sometimes joins mixed-species flocks.
It is about 12 cm long, with an olive back, a greyish head, a pale eyebrow and a faint eye-ring. Two creamy bars cross the dark wing coverts; the throat and breast are grey.
It searches for food in the middle and upper levels of montane forest and often moves with mixed-species flocks.
An extinction-risk assessment has not been added yet.