The Yungas tyrannulet (Phyllomyias weedeni) is a Vulnerable species of bird in subfamily Elaeniinae of family Tyrannidae, the tyrant flycatchers.

Their lores, supercilium, partial eyering, and lower face are whitish with a dark stripe through their eye.

Their flight feathers are fuscous to dusky brown with pale yellowish to creamy edges.

Their lower throat, breast, and belly feathers have grayish bases and yellowish tips.

It inhabits humid and semi-humid forest in the foothills and lower montane zone where it favors areas with an irregular canopy.

[4] The Yungas tyrannulet forages in the forest canopy, usually in pairs, and usually by catching flying insects with short sallies from a perch.

[4][5] "Further surveys needed in order to determine true population size and trends, and to ascertain whether the species can persist in mosaics of coffee plantations and forest.