Petrophora subaequaria, the northern petrophora, is a species of geometrid moth in the family Geometridae.[1][2] It was described by Francis Walker in 1860 and is found in North America.[2]
The MONA or Hodges number for Petrophora subaequaria is 6804.[3][4]
Ferris C. (2010). "A revision of the genus Antepione Packard with description of the new genus Pionenta Ferris (Lepidoptera, Geometridae, Ennominae)". ZooKeys. 71: 49-70.
Scoble, Malcolm J. ed. (1999). Geometrid Moths of the World: A Catalogue (Lepidoptera, Geometridae). 1016.
Further reading
Arnett, Ross H. (2000). American Insects: A Handbook of the Insects of America North of Mexico. CRC Press.