Apophatus bifibratus is a moth of the family Palaephatidae. It was described by Donald R. Davis in 1986. It is found in the temperate Valdivian forests of southern Argentina and Chile. The length of the forewings is 5–5.2 mm for males and 5.3–5.5 mm for females. Adults have dark fuscous to light brown forewings reflecting a slight purplish to golden luster, variably marked with streaks and small patches of pale cream to white scales. They are on wing in December in one generation per year.