Whitten, R. R., and W. A. Reeks. 1967a. Native elm bark beetle, Hylurgopinus rufipes (Eichhoff). Pages 115-116 in A. G. Davidson and R. M. Prentice, Important forest insects and diseases of mutual concern to Canada, the United States and Mexico. Canada Department of Forestry and Rural Development, Publication 1180. 248 p.