Roger O. Drummond

1931

• Cattle lice
• Compounds screened as animal systemic insecticides at Kerrville, Texas, 1953-1959
• Materials screened as animal systemic insecticides at Kerrville, Texas, 1960-1967
• Ticks and what you can do about them
• Chemicals tested as acaricides to control one-host ticks, U.S. Livestock Insects Laboratory, 1962-77
• Control of arthropod pests of livestock
• Materials screened as animal systemic insecticides at Kerrville, Texas, 1967-1973