Citations: Anonym 1900: [Spence, W. B.] The Entomologist's Monthly Magazine, Third Series, London 36, B15 10006, pp. 66
Verrall, G. H. 1900: [Spence, W. B.] (The) Proceedings of the Entomological Society of London for the Year ..., , B15: 10001, pp. XLII-XLIII