B. P.  Clark, ?Twelve new Sphingidae and notes on seven others?, Proceedings of the New England Zoological Club, vol. 16, pp. 27-39, 1937.

B. P.  Clark, ?Twelve new Sphingidae?, Proceedings of the New England Zoological Club, vol. 9, pp. 11-21, 1924.

B. P.  Clark, ?Thirty-three new Sphingidae?, Proceedings of the New England Zoological Club, vol. 8, pp. 47-77, 1923.