Philip S. Callahan

Philip S, Callahan holds a Ph.D. in entomology from Kansas State University, and until recently was Professor of Entomology on the graduate faculty of the University of Georgia. Until 1969, he headed a project on the ecology and biology of small grain insects at the US. Department of Agriculture's Southern Grain Insect Research Laboratory at Tifton, Georgia. At present, Dr. Callahan is Professor of Entomology at the University of Florida in Gainesville, Florida, and entomologist at the Insect Attractants Behavior and Basic Biology Research Laboratory of the Agricultural Research Service, U.S. Department of Agriculture, Gainesville, Florida.