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Increasing numbers and intercontinental spread of invasive insects on eucalypts

Show simple item record Hurley, BP Garnas, J Wingfield, MJ Branco, M Richardson, DM Slippers, B 2018-07-11T14:59:45Z 2018-07-11T14:59:45Z 2016-02-26 2016-04
dc.identifier.citation Hurley, BP, Garnas, J, Wingfield, MJ, Branco, M, Richardson, DM & Slippers, B 2018, 'Increasing numbers and intercontinental spread of invasive insects on eucalypts', Biological Invasions, vol. 18, No. 4, pp 921–933, Viewed online 10 July 2018, Springer, en_US
dc.identifier.issn 1387-3547
dc.description.abstract Native to Australasia, Eucalyptus (sensu lato) is one of the most planted genera of trees in the world. However, the sustainability of Eucalyptus species as plantation trees in non-native areas is increasingly threatened by the introduction and spread of Eucalyptus-feeding insects from Australia. We examine patterns and potential trends with respect to the global spread of Eucalyptus-feeding insects. Likely pathways of introduction and drivers of the rapid distribution of these insects, as well as management options are considered. The rate of introductions is shown to have increased nearly fivefold since the 1980s. As a result, the number of non-native pests of eucalypts outside of Australia has doubled in less than three decades. Furthermore, the rate of secondary spread among continents has also increased. Surprisingly, we found no association between area planted and the number of pests or new introductions. Only a small number of countries have been the points of first detection outside the native range; these countries have acted as bridgeheads to other regions. Quarantine regulations aimed at reducing the spread of invasive organisms appear to be ineffective at a global scale, and pathways allowing these invasions to occur are poorly understood or unknown. An expanded suite of management options are needed to provide resilience against the rapid accrual and homogenization of eucalypt pests, thereby ensuring the sustainability of eucalypt forestry worldwide. en_US
dc.description.sponsorship National Research Foundation (South Africa) en_US
dc.format.extent Fig: iv, tables: i, 17 p en_US
dc.format.medium PDF en_US
dc.language.iso en en_US
dc.publisher Spring Link en_US
dc.rights Attribution-NonCommercial-NoDerivs 3.0 United States *
dc.rights.uri *
dc.subject Biological invasions en_US
dc.subject Eucalyptus en_US
dc.subject Bridgehead effect en_US
dc.subject Pathway management en_US
dc.subject Forestry en_US
dc.subject Pest homogenization en_US
dc.title Increasing numbers and intercontinental spread of invasive insects on eucalypts en_US
dc.type Article en_US

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