The Guaiquinima Whitestart is confined to a small area around Cerro Guaiquinima in east-central Venezuela. Adults have slate-grey upperparts and deep orange-yellow underparts. The sexes are similar, but juvenile plumage is undescribed. It was formerly treated as conspecific with the White-faced Redstart; this entry follows the current separate species concept.
Adults have a black forehead and crown, slate-grey face and upperparts with white eye-crescents, and deep orange-yellow throat and underparts. The sexes are similar; juveniles are undescribed.
It occurs at forest edges, in gallery forest, humid cloud forest, and dense scrub. The account has no information on its diet or breeding.
An extinction-risk assessment has not been added yet.