1. Cassava Entomologist, Centro Internacional de Agricultura Tropical, Cali, Colombia; AA 6713,
2. Research Entomologist, US Department of Agriculture-Agricultural Research Station, Northern Plains Agricultural Research Laboratory, 1500 N. Central Avenue, Sidney, Montana 59270
3. Research Entomologist, US Department of Agriculture-Agricultural Research Station, 3020 Plymouth Oaks Road, Apopka, Florida 32712-5640