An Effective and Efficient System for Collecting Fees for Insect and Plant-disease Diagnosis. George W. Hudler and Juliet E. Carroll, Department of Plant Pathology, and Carolyn Klass, Department of Entomology, Cornell University, Ithaca, NY. Plant Dis. 72:549. Copyright 1988 American Phytopathological Society. DOI: 10.1094/PD-72-549.