Experience-Dependent Modification of Orientational Response to Olfactory Cues in Larvae of Spodoptera littoralis |
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Authors: | Mikael A Carlsson Peter Anderson Elke Hartlieb Bill S Hansson |
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Affiliation: | (1) Department of Ecology, Lund University, S-223 62 Lund, Sweden;(2) Department of Plant Protection Sciences, Swedish University of Agricultural Sciences, S-230 53 Alnarp, Sweden;(3) Present address: Max-Planck-Institut für Verhaltensphysiologie, D-82 319 Seewiesen, Germany |
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Abstract: | In a behavioral dual-choice test the orientational response of third-instar larvae of Spodoptera littoralis to a certain odor could be increased, following a former experience of the odor. The odorants used were either the odor of a previously eaten host plant or a synthetic plant odor presented in conjunction with food. Inexperienced third-instar larvae were either neutral or demonstrated a weak attraction to the odors, whereas experienced larvae were highly attracted. Furthermore it was demonstrated that the larvae did not generalize between the odor previously experienced and a novel odor. |
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Keywords: | Spodoptera littoralis larvae olfaction orientation induction |
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