Turner, J. R. G. (1971). "Studies of Müllerian Mimicry and its Evolution in Burnet Moths and Heliconid Butterflies". Ecological Genetics and Evolution. Springer. pp. 224–260. doi:10.1007/978-1-4757-0432-7_11. ISBN9781475704341.
Seitz, A., 1913, in Seitz, Gross-Schmett. Erde 6: 22., The Macrolepidoptera of the Palearctic Fauna 2. Volume: The Palearctic Bombyces & Sphinges. pdf This article incorporates text from this source, which is in the public domain.