1. CAB, Distribution maps of pests, Spodoptera exigua (H�bner), Commonwealth Agricultural Bureau, London, Series A Map 302 (1972).
2. and Destructive and Useful Insects, Their Habits and Control, 4th edn, McGraw-Hill, San Francisco, 1087 pp (1962).
3. Beet armyworms on cotton. Alabama Coop. Ext. Serv. Circular ANR-5384 pp (1989).
4. Tolerance of Three Beet Armyworm Strains in Arizona to Methomyl12