Forbes, W. T. M. 1954. Lepidoptera of New York and Neighboring States, Part III. Noctuidae. Cornell University Agricultural Experiment Station Memoirs 329: 1–433.

Hampson, G. F. 1910. Catalogue of the Noctuidae in the Collection of the British Museum. Catalogue of the Lepidoptera Phalaenae in the British Museum IX: i–xv, 1–552, [CXXXVII–CXLVII].

Klöcker, A. 1913. Sommerfugle. III. Natsommerfugle. II. Del. Danmarks Fauna 13. 201 s.

Kononenko, V. S. 2003. Noctuidae. Teoksessa: Ler, P. A. (toim.): Key to the insects of Russian Far East. Vol. V. Trichoptera and Lepidoptera. Pt 4. Vladivostok. Dal'nauka. 688 s.

Mikkola, K. & Jalas, I. 1979. Suomen perhoset. Yökköset 2. Suomen Perhostutkijain Seura, Otava, Helsinki. 304 s.

Pierce, F. N. 1909. The genitalia of the group Noctuidae of the Lepidoptera of the British Islands. An account of the morphology of the male clasping organs. A.W. Duncan, Liverpool. 88, [XXXII] s.

Warren, W. 1909–1913. Family: Noctuidae. 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 Region. 3. Volume: The Noctuid Moths. Verlag des Seitz'schen Werkes (Alfred Kernen), Stuttgart. s. 9–444.

Helotropha

No type specimen

Type specimen

No national museum collection specimen

National museum collection specimen