McDunnough, J.H. 1954 The species of the genus
Hydriomena occurring in America north of Mexico (Geometridae, Larentiinae).
Bulletin of the American Museum of Natural History. 104(3): 279-282 (includes descriptions of subspecies)
Swett, L.W. 1912 Geometrid notes - Two new Hydriomenas.
The Canadian Entomologist. 44:
195