Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Leng, C. W., and A. J. Mutchler. 1933. Second and third supplements 1925-1932 (inclusive) to Catalogue of the Coleoptera of America, north of Mexico (Scolytidae, p. 51-53, 94). John D. Sherman, Jr., Mount Vernon, New York. 112 p.