Associations between ants (Hymenoptera: Formicidae) and Adriana Gaudich. (Euphorbiaceae) in East Gippsland

D. A. Mackay, M. A. Whalen

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    15 Citations (Scopus)

    Abstract

    The consequences of ant attendance on plants with extrafloral nectaries (EFN) belonging to the endemic Australian genus Adriana (Euphorbiaceae) were examined at two study sites in Gippsland, Victoria. Ants in seven genera were observed visiting nectaries across both sites and ants in four of these genera were also previously observed on the foliage of Adriana plants in Queensland and Western Australia. Following ant exclusions, numbers of insect herbivores (primarily flea beetles) exhibited a significant increase, although this was not reflected in an increase in foliar herbivory on experimental branches. Numbers of coccinellid beetles also increased on branches from which ants were excluded. The lack of a treatment effect on herbivory may reflect low herbivore densities on plants.

    Original languageEnglish
    Pages (from-to)335-339
    Number of pages5
    JournalAustralian Journal of Entomology
    Volume37
    Issue number4
    DOIs
    Publication statusPublished - Nov 1998

    Keywords

    • Adriana
    • Ant-plant association
    • Coccinellid beetles
    • Euphorbiaceae
    • Extrafloral nectaries

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