Rearing the Southwestern corn borer and fall armyworms at Mississippi State
1989
Davis, F.M. (USDA Agricultural Research Service (USA). Plant Science Research Laboratory)
A reliable source of southwestern corn borers, Diatraea grandiosella Dyar, and the fall armyworm, Spodoptera frugiperda (J.E. Smith), is essential to identifying and developing maize resistant to these insect pests. A rearing program at Mississippi State, Mississippi, has evolved from the use of primarily manual methods to semi-automatic equipment to prepare and dispense artificial diet, infest rearing containers with larvae, and harvest pupae. Also, oviposition cages have changed from small cages, each containing approximately 100 adults, to large, continuous use cages holding approximately 1,000 adults per cage. The rearing procedures and equipment presently being used are discussed.
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