Plant secondary compounds as oviposition deterrents for cabbage butterfly,Pieris rapae (Lepidoptera: Pieridae) |
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| Authors: | Bruce E. Tabashnik |
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| Affiliation: | (1) Department of Entomology, University of Hawaii, 96822 Honolulu, Hawaii |
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| Abstract: | Oviposition byPieris rapae butterflies was deterred by spraying the plant secondary compounds coumarin and rutin on cabbage plants in greenhouse choice tests. In no-choice tests ranging from 5 min to 24 hr, acceptance of rutin-treated plants for oviposition increased with trial duration. Both coumarin and rutin deterred oviposition primarily by affecting prealighting rather than postalighting behavior, indicating that deterrence was mediated by noncontact cues. |
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| Keywords: | Oviposition deterrence oviposition behavior
Pieris rapae
cabbage butterfly Lepidoptera Pieridae coumarin rutin plant secondary compounds insect-plant interactions cabbage Cruciferae |
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