Department of Entomology

Professor; Ph.D., Iowa State University (1970)

Department Position: 70% research, 30% teaching

Dr. Showers' research was on the impact of dispersal, diapause, mating strategies, population genetics and landscape on management of insect pests of corn. He was project leader of Insect Ecology at the USDA-ARS Corn Insects Research Unit, 1970 to 1992. He continued these studies for the experiment station into 1995.

E-mail address: showersentomol@wbhsi.net

(Dr. Showers retired from Iowa State University in 1995.)

Selected Publications:

Showers, W. B., R. L. Hellmich, M. E. Derrick, W. H. Hendrix III, 2001. Aggregation and dispersal behavior of marked and released European corn borer (Lepidoptera: Crambidae) adults. Environ. Entomol. 30: 700-710.

Showers, W. B. 1997. Migratory Ecology of the Black Cutworm. Annu. Rev. Entomol. 42: 393-425.

Sappington, T. W., H. W. Fescemyer, W. B. Showers. 1995. Lipid and carbohydrate utilization during flight of the migratory moth, Agrotis ipislon (Lepidoptera: Noctuidae). Arch. Insect Biochem. Physiol. 29: 397-414.

Showers, W. B., A. J. Keaster, J. R. Raulston, W. H. Hendrix III, M. E. Derrick, M. D. McCorcle, J. F. Robinson, M. O. Way, M. J. Wallendorf, and J. L. Goodenough. 1993. Mechanisms of southward migration of a noctuid moth [Agrotis ipsilon (Hufnagel)]: A complete migrant. Ecology 74: 2303-2314.

Hendrix III, W. H., and W. B. Showers. 1992. Tracing black cutworm and armyworm (Lepidoptera: Noctuidae) northward migration using Pithecellobium and Calliandra pollen. Enfiron. Entomol. 21: 1092-1096.

Showers, W. B., J. F. Witkowski, C. E. Mason, D. D. Calvin, R. A. Higgins and G. P. Dively. 1989. European corn borer development and management. No. Cent. Reg. Publ. 327. Iowa State University, Ames, IA. 32 pp.

Mulder, P. G. and W. B. Showers. 1986. Defoliation by the armyworm (Lepidoptera: Noctuidae) on field corn in Iowa. J. Econ. Entomol. 79: 368-373.