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Developmental Rates of Bagous affinis (Coleoptera: Curculionidae) at Constant Temperatures

Florida Entomologist
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440 Florida Entomologist 77(4) December, 1994 MANAGEMENT OF THE BEET ARMYWORM (LEPIDOPTERA: NOCTUIDAE) IN COTTON: ROLE OF NATURAL ENEMIES J OHN R. R UBERSON 1,3 , G ARY A. H ERZOG 2 , W ILLIAM R. L AMBERT 2 , AND W. J OE L EWIS 1 1 Insect Biology and Population Management Research Laboratory United States Department of Agriculture, Agricultural Research Service Tifton, GA 31793 2 Dept. of Entomology, University of Georgia, Tifton, GA 31793 3 Current address: Dept. of Entomology, University of Georgia, P.O. Box 748, Tifton, GA 31793 A BSTRACT The beet armyworm, Spodoptera exigua (Hubner), has recently become a persis- tent and explosive pest of cotton in the southeastern United States. It is, however, at- tacked by a large and diverse complex of beneficial arthropods and pathogens that appear capable of maintaining beet armyworm populations below economically-dam- aging levels. Disruption of this complex contributes to outbreaks of S. exigua . It can This article is from Florida Entomologist Online , Vol. 77, No. 4 (1994). FEO is available from the Florida Center for Library Automation gopher ( and is identical to Florida Entomologist (An International Journal for the Americas). FEO is prepared by E. O. Painter Printing Co., P.O. Box 877, DeLeon Springs, FL. 32130. Ruberson et al.: Armyworm Symposium - ‘94 441 also exacerbate problems with other pests because the complex of beneficial organ- isms attacking the beet armyworm is comprised of generalist species that also sup- press other pests in the cotton production system. Management of the beet armyworm through conservation of its natural enemies, therefore, provides multiple benefits to growers by managing other pests as well. Key Words:

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