Homoeocera papalo is a moth of the subfamily Arctiinae.

It is known only from a very restricted area in Oaxaca state in Mexico, at high altitude.

[1] The length of the forewings is 20–21 mm.

The biology of this species is unknown.

[1] The name is a reference to the type locality, Concepción Pápalo, a small city in north east Oaxaca state.