Funded by the National Science Foundation PEET program (Partnerships for Enhancing Expertise in Taxonomy)
Ward, J. G. D., R. Kucera, and G. L. Downing. 1971. Southern and southeastern states (R-8). Pages 27-34 in E. A. Landgraf, Forest insect conditions in the United States, 1970. United States Department of Agriculture, Forest Service. vi + 44 p.