Use of the egg parasiteEdovum puttleri [Hym.: Eulophidae] in an IPM system developed for Colorado potato beetle [Col.: Chrysomelidae] control on potatoes,Beltsville, Maryland |
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Authors: | R. F. W. Schroder M. M. Athanas |
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Affiliation: | (1) Beneficial Insects Laboratory, Plant Science Institute, Agricultural Research Service, USDA Beltsville, 20705, Maryland;(2) Department of Entomology, University of Maryland, College Park, Maryland |
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Abstract: | Edovum puttleri Grissell in conjunction with the fungal pathogenBeauveria bassiana (Balsamo) Vuillimen, a β-exotoxin ofBacillus thuringiensis varthuringiensis Berliner, and the insect growth regulator triflumuron (Alsystin 4F) were evaluated in a pest management system to control Colorado potato beetle,Leptinotarsa decemlineata (Say). Soil treatments ofB. bassiana had no significant impact on emerging Colorado potato beetle adults. Foliar applications of the β-exotoxin and triflumuron significantly reduced 1 st larval generation. Releases ofE. puttleri resulted in 56 % egg mass parasitization, significant reduction of 2 nd generation larvae, and significantly higher potato yields.Leptinotarsa texana (Schaeffer) was successfully used as an alternate host for production ofE. puttleri. |
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Keywords: | Edovum puttleri IPM Leptinotarsa decemlineata potato |
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