Forbes, W. T. M. 1917. The genera of Hydriomeninae of the United States (Lep.). Journal of the New York Entomological Society 25(1): 44–67.

Forbes, W. T. M. 1948. Lepidoptera of New York and Neighboring States, Part II. Geometridae, Sphingidae, Notodontidae, Lymantriidae. Cornell University Agricultural Experiment Station Memoirs 274: 1–263.

Hulst, G. D. 1896. A classification of the Geometrina of North America, with descriptions of new genera and species. Transactions of the American Entomological Society XXIII(3): 245–386.

Mikkola, K., Jalas, I. & Peltonen, O. 1985. Suomen perhoset. Mittarit 1. Suomen Perhostutkijain Seura, Tampereen Kirjapaino Oy Tamprint, Tampere. 260 s.

Prout, L. B. 1912–1916. The Palaearctic Geometrae. Teoksessa: Seitz, A. (toim.): The Macrolepidoptera of the World. A systematic description of the known Macrolepidoptera edited with the collaboration of well-known specialists. The Macrolepidoptera of the Palearctic Fauna. IV. Volume. Verlag des Seitz'schen Werkes (Alfred Kernen), Stuttgart. S. I–V, 1–479.

Euphyiini