University of Kentucky College of Agriculture

John J. Obrycki

Professor and Chair (2003 - present)

Ph.D. Cornell University (1982) | Return to J. Obrycki Homepage

 

Former Graduate Students

PhD Students

  • Moser, Susan E. 2009. Alternative prey use and foraging tactics of aphidophagous coccinellid larvae. PhD Entomology. University of Kentucky. 120 pp.
  • Carrion, Bethzayda M. 2005. Multitrophic interactions in wetlands infested by an invasive species Lythrum salicaria L. PhD (Entomology; Horticulture). (co-major advisor G. Nonnecke). Iowa State University. 123 pp.
  • Jesse, Laura C.H. 2005. PhD (Entomology; Ecology and Evolutionary Biology) Iowa State University. (co-major advisor K. Moloney).
  • VanDyk, John K. 2003. Use of the internet for information organization, distance learning, and specimen presentation. PhD Entomology. Iowa State University. 274 pp.
  • Weiser, Laura A. 2001. Enhancing biotic mortality of the potato leafhopper, Empoasca fabae. PhD (Entomology; Ecology and Evolutionary Biology). (co-major advisor L.H. Tiffany). Iowa State University. 111 pp.
  • Phoofolo, Mpho W. 1997. Evaluation of natural enemies of the European corn borer, Ostrinia nubilalis (Lepidoptera: Pyralidae). PhD Entomology. Iowa State University. 162 pp.
  • Giles, Kristopher L. 1996. Optimizing biotic mortality for management of the alfalfa weevil Hypera postica Gyllenhal (Coleoptera: Curculionidae). PhD (Entomology; Ecology and Evolutionary Biology). (co-major advisor L.H. Tiffany). Iowa State University. 132 pp.
  • Munyaneza, Joseph. 1996. Assessment of Coleomegilla maculata (Coleoptera: Coccinellidae) predation of the Colorado potato beetle (Coleoptera: Chrysomelidae). PhD Entomology. Iowa State University. 141 pp.
  • Bing, James W. 1990. Corn leaf aphid feeding behavior, injury to seedling maize, and colony development on inbred lines differing in DIMBOA concentrations. PhD Entomology (co-major advisor W.D. Guthrie). Iowa State University. 92 pp.

 

MS Students

  • Hunt, Bethany 2013. Effects of two aphid diets on the life histories and chemical defenses of Hippodamia convergens and Harmonia axyridis (Coleoptera: Coccinellidae) Plan B MS Project. University of Kentucky. 34 pp.
  • Burbano, Elsie 2003. Enhancing insect predators using semiochemicals and artificial selection. MS Entomology. Iowa State University. 89 pp.
  • Moser, Susan E. 2003. Interspecific interactions among Harmonia axyridis, Coleomegilla maculata, and Coccinella septempunctata (Coleoptera: Coccinellidae). MS Entomology. Iowa State University. 170 pp.
  • Carrion, Bethzayda M. 2001. Ecological studies of Lygus lineolaris and phytophgous thrips in Iowa strawberry fields. MS Entomology. Iowa State University. 85 pp.
  • Jesse, Laura C.H. 2001. The effects of Bt corn pollen on two non-target lepidopteran species, Danaus plexippus (Lepidoptera: Danaidae) and Euchatias egle (Lepidoptera: Arctiidae). MS Entomology. Iowa State University. 100 pp.
  • Wiebe, Amy P. 2001. Trophic interactions influencing the biological control of purple loosestrife (Lythrum salicaria). MS (Entomology; Ecology and Evolutionary Biology). (co-major advisor K. Moloney). Iowa State University. 111 pp.
  • Gomez, Luis E. 1998. Biological and ecological characteristics of Hippodamia convergens (Coleoptera: Coccinellidae). MS Entomology. Iowa State University. 90 pp.
  • Cortilet, Anthony B. 1998. Evaluation of natural enemies released for the biological control of purple loosestrife in Iowa. MS Agronomy. (co-advisor M.Owen). Iowa State University. 85 pp.
  • Jarrard, Jennifer A. 1997. Natural enemies of the cottonwood leaf beetle in central Iowa MS Entomology. (co-major advisor E.R. Hart). Iowa State University. 118 pp.
  • Morjan, Wilmar E. 1997. Inbreeding studies of Propylea quatuordecimpunctata (Coleoptera: Coccienllidae). MS Entomology. Iowa State University. 150 pp.
  • Pilcher, Clinton D. 1996. Effects of transgenic Bacillus thuringiensis (Bt) corn on secondary lepidopteran pests and nontarget predators. MS Entomology. (co-major advisors M.E. Rice, L.C. Lewis). Iowa State University. 105 pp.
  • Bogran, Carlos E. 1996. Biological control of the whitefly Bemesia tabaci (Gennadius) on common bean (Phaseolus vulgaris L.) in Honduras. MS Entomology. Iowa State University. 76 pp.
  • Ormord, Andrew. 1994. Interactions between larval Coccinella septempunctata L. and Coleomegilla maculata (DeGeer) (Coleoptera: Coccinellidae). MS Entomology. Iowa State University. 122 pp.
  • Phoofolo, Mpho W. 1993. Reproductive biology of selected populations of the seven-spotted lady beetle, Coccinella septempunctata (Coleoptera: Coccinellidae). MS Entomology. Iowa State University. 124 pp.
  • Giles, Kristopher L. 1992. Seasonal occurrence and impact of alfalfa weevil natural enemies in Iowa. MS Entomology. Iowa State University. 172 pp.
  • Gabriel, Aaron D. 1989. Ecological factors affecting strawberry leaf roller, Ancylis comptana (Froelich), biology. MS Entomology. Iowa State University. 123 pp.

 

Revised: May 20, 2009
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