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December 1979: Ph.D. in Entomology (Community Ecology) from Clemson University, Clemson, SC


August 1976: M.S. in Entomology (Host Plant Resistance) from Clemson University


August 1973: B.A. in Biology from the University of Mississippi, Oxford, MS





2005-present: Laboratory Director, EBCL. Discovery and evaluation of natural enemies of exotic and invasive pest insects, plant pathogens and weeds.


1999-2005: Research Leader, Beneficial Insects Research, ARS, USDA, Weslaco, TX. Directed a multi-disciplinary team composed of a Chemical Ecologist, Insect Pathologist, Molecular Biologist, Weed Scientist, Entomologists and honey bee researchers, developing augmentative and classical biological control technologies, and integrated pest management of parasites and diseases of honey bees.


1991-1999: Research Entomologist, Beneficial Insects Research, ARS, USDA, Weslaco, TX. Augmentative biological control of Bemisia tabaci using parasitoids and pathogens; biological control of the glassy-winged sharpshooter, Homalodisca coagulata, using imported egg parasitoids.


1987-1991: Research Entomologist, Lead Scientist, USDA ARS, Tucson, AZ. Augmentative biological control of Lygus hesperus using native egg and nymphal parasitoids.


1985-1987: Research Entomologist, Acting Director, European Parasite Laboratory, ARS, USDA, Behoust, France. Classical biological control of Lygus bugs and sap beetles.


1981 1985: Research Entomologist; Supervisor, Stoneville Research Quarantine Facility, USDA ARS, Stoneville, MS. Biological control of insect pests of field crops.


1980-1981: Research Associate, Quarantine Officer, Stoneville Research Quarantine Facility, Mississippi State Univ., Stoneville, MS.


1976-1979: Graduate Research Assistant, Clemson University, Clemson, SC. Seasonal population ecology of pentatomid pests of soybean.


1973-1976: Graduate Research Assistant, Clemson University, Clemson, SC. Host plant resistance in soybean germplasm to pest Pentatomidae.