Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
LeConte, J. L. 1858. Description of new species of Coleoptera, chiefly collected by the United States and Mexican Boundary Commission, under Major W. H. Emory, U.S.A. [Scolytidae, p. 73]. Philadelphia Academy of Natural Science, Proceedings 4:59-89.