Published online by Cambridge University Press: 10 July 2009
Since the publication of my 1931 revision of the genus Diatraea, Guilding, in which 48 American species were treated, a considerable number of additional specimens of these moths has reached me from various sources. This material forms the foundation of the present paper, but I am also taking advantage of this opportunity to add certain references to the systematics which have come to my notice recently, as well as new locality and host records and descriptions of the early stages of some of the species ; the larval and pupal descriptions, however, are given primarily for the use of field workers, and should not be interpreted as technical diagnoses.