Cockroaches & Ants - Oh My! David J. Shetlar, Ph.D. The “BugDoc” The Ohio State University, OARDC & OSU Extension Columbus, OH © July, 2002, D.J. Shetlar,
Pesticide Applicator Training General Pest Category – 10A David J. Shetlar, Ph.D. The “BugDoc” The Ohio State University, OARDC & OSU Extension Columbus,