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Evaluation of Ostrinia nubilalis (Lepidoptera: Crambidae) Neonate Preferences for Corn and Weeds in Corn
Journal of Economic Entomology
  • Colothdian D. Tate, United States Department of Agriculture
  • Richard L. Hellmich, Iowa State University
  • Leslie C. Lewis, Iowa State University
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Choice tests were conducted to determine feeding preferences of European corn borer,Ostrinia nubilalis (Hübner) (Lepidoptera: Crambidae), neonates for 15 species of plants. Percentage of neonates accepting (found on) each leaf disc after 24 h was measured using choice tests. Initially, nine species of plants were evaluated. The following year, 10 plant species were evaluated during O. nubilalis first generation and 11 species during the second generation. Pennsylvania smartweed, Polygonum pennsylvanicum (L.), had the highest percentage of neonates accepting leaf discs in both years. Other plants with high acceptance rates included swamp smartweed, Polygonum amphibium L.; velvetleaf, Abutilon theophrasti Medicus; cocklebur, Xanthium strumarium L.; and yellow foxtail, Setaria glauca (L.). Corn, Zea mays L., consistently had low percentages of neonates accepting leaf discs along with common waterhemp, Amaranthus rudis Sauer. Implications these results may have on O. nubilalis host plant selection in central Iowa’s corn dominated landscape are considered.

This article is from Journal of Economic Entomology; 99 (2006); 1987-1993; doi: 10.1603/0022-0493-99.6.1987

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Colothdian D. Tate, Richard L. Hellmich and Leslie C. Lewis. "Evaluation of Ostrinia nubilalis (Lepidoptera: Crambidae) Neonate Preferences for Corn and Weeds in Corn" Journal of Economic Entomology Vol. 99 Iss. 6 (2006) p. 1987 - 1993
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