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Response of the elm leaf beetle to host plants induced by oviposition and feeding: the infestation rate matters.

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Title: Response of the elm leaf beetle to host plants induced by oviposition and feeding: the infestation rate matters.
Authors: Meiners, T., Hacker, N. K., Anderson, P., Hilker, M.
Source: Entomologia Experimentalis et Applicata. Apr2005, Vol. 115 Issue 1, p171-177. 7p.
Subjects: Elm, Host plants, Chrysomelidae, Eulophidae, Beetles
Abstract: We investigated by olfactometry and feeding- and oviposition-choice-tests how the highly specialised elm leaf beetle,Xanthogaleruca luteolaMüller (Coleoptera: Chrysomelidae),responds to conspecifically induced defences in the field elmUlmus minorMiller (Ulmaceae). While egg deposition of the beetle induced elms to release volatiles attractive to the egg parasitoidOomyzus gallerucaeFonscolombe (Hymenoptera: Eulophidae), feeding alone did not. In the present study, females of the elm leaf beetle showed preferences for the odours of twigs induced by low egg deposition and feeding over odours from uninfested twigs. In contrast, heavy infestation rendered elm odours less attractive to the beetles. Feeding and oviposition bioassays revealed an oviposition preference for leaves from uninfested twigs when compared to locally infested leaves. However, beetles preferred to feed upon systemically induced leaves compared to uninfested ones. The different preferences of the elm leaf beetle during host plant approach might be explained by a strategy that accounts for both gaining access to high quality nutrition and avoiding competition or parasitism. [ABSTRACT FROM AUTHOR]
Copyright of Entomologia Experimentalis et Applicata is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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PubType: Academic Journal
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  Data: Response of the elm leaf beetle to host plants induced by oviposition and feeding: the infestation rate matters.
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  Data: <searchLink fieldCode="AR" term="%22Meiners%2C+T%2E%22">Meiners, T.</searchLink><br /><searchLink fieldCode="AR" term="%22Hacker%2C+N%2E+K%2E%22">Hacker, N. K.</searchLink><br /><searchLink fieldCode="AR" term="%22Anderson%2C+P%2E%22">Anderson, P.</searchLink><br /><searchLink fieldCode="AR" term="%22Hilker%2C+M%2E%22">Hilker, M.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22Entomologia+Experimentalis+et+Applicata%22">Entomologia Experimentalis et Applicata</searchLink>. Apr2005, Vol. 115 Issue 1, p171-177. 7p.
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  Data: <searchLink fieldCode="DE" term="%22Elm%22">Elm</searchLink><br /><searchLink fieldCode="DE" term="%22Host+plants%22">Host plants</searchLink><br /><searchLink fieldCode="DE" term="%22Chrysomelidae%22">Chrysomelidae</searchLink><br /><searchLink fieldCode="DE" term="%22Eulophidae%22">Eulophidae</searchLink><br /><searchLink fieldCode="DE" term="%22Beetles%22">Beetles</searchLink>
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  Label: Abstract
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  Data: We investigated by olfactometry and feeding- and oviposition-choice-tests how the highly specialised elm leaf beetle,Xanthogaleruca luteolaMüller (Coleoptera: Chrysomelidae),responds to conspecifically induced defences in the field elmUlmus minorMiller (Ulmaceae). While egg deposition of the beetle induced elms to release volatiles attractive to the egg parasitoidOomyzus gallerucaeFonscolombe (Hymenoptera: Eulophidae), feeding alone did not. In the present study, females of the elm leaf beetle showed preferences for the odours of twigs induced by low egg deposition and feeding over odours from uninfested twigs. In contrast, heavy infestation rendered elm odours less attractive to the beetles. Feeding and oviposition bioassays revealed an oviposition preference for leaves from uninfested twigs when compared to locally infested leaves. However, beetles preferred to feed upon systemically induced leaves compared to uninfested ones. The different preferences of the elm leaf beetle during host plant approach might be explained by a strategy that accounts for both gaining access to high quality nutrition and avoiding competition or parasitism. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Entomologia Experimentalis et Applicata is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – Type: doi
        Value: 10.1111/j.1570-7458.2005.00280.x
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      – Code: eng
        Text: English
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        PageCount: 7
        StartPage: 171
    Subjects:
      – SubjectFull: Elm
        Type: general
      – SubjectFull: Host plants
        Type: general
      – SubjectFull: Chrysomelidae
        Type: general
      – SubjectFull: Eulophidae
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              Text: Apr2005
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