Phytometra ernestinana, Ernestine's moth, is a species of moth of the family Erebidae.

It is found in North America, where it has been recorded from Alabama, Arizona, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Louisiana, Michigan, Mississippi, New York, North Carolina, Ohio, Oklahoma, Ontario, South Carolina, Tennessee, Texas and Wisconsin.

It is also present in Cuba.

Adults have been recorded on wing year round in Florida.

This article on a moth of the subfamily Boletobiinae is a stub.