Chemical defence in the larvae of the leaf beetleGonioctena viminalis L. (Coleoptera: Chrysomelidae) |
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| Authors: | K Dettner G Schwinger |
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| Institution: | (1) Institute of Biology II (Zoology), RWTH Aachen, D-5100 Aachen, (Federal Republic of Germany);(2) Institute of Chemistry, University of Hohenheim, D-7000 Stuttgart 70, (Federal Republic of Germany);(3) Present address: University of Bayreuth, D-8580 Bayreuth, (Federal Republic of Germany) |
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| Abstract: | Summary The leaf beetle larva ofGonioctena (Phytodecta) viminalis L. has been shown to produce five volatile constituents within its paired abdominal defensive gland reservoirs. It is the first time that these compounds have been reported to occur in coleopteran defensive glands (linalool, phenylethanol) and Chrysomelidae larvae (6-methyl-5-hepten-2-one, 6-methyl-5-hepten-2-ol, 2-hexenal). In addition to the gross morphology of theGonioctena gland and its discharge behavior, the natural products found are discussed in terms of chemotaxonomy. |
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| Keywords: | Defensive secretions glands Chrysomelidae Coleoptera phenylethanol linalool 6-methyl-5-hepten-2-one 6-methyl-5-hepten-2-ol 2-hexenal chemotaxonomy |
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