Zitationen: Anonym 1926: [Piper, C. V.] Journal of the Washington Academy of Sciences, Washington D. C. 16, S. 574
Osborn, H. 1937: Fragments of Entomological History Including Some Personal Recollections of Men and Events. 1 Columbus, Ohio, Published by the Author, 1-394 S., B15: 6024, pp. 201