Pining away and at home: global utilisation of Pinus radiata by native and non-native insects

Eckehard G Brockerhoff; Belinda A Gresham; Nicolas Meurisse; Helen F Nahrung; Anouchka Perret-Gentil; Andrew R Pugh; Stephanie L Sopow; Rebbeca M Turner

doi:10.3897/neobiota.84.95864

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Pining away and at home: global utilisation of Pinus radiata by native and non-native insects

Journal article

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Pining away and at home: global utilisation of Pinus radiata by native and non-native insects

Eckehard G Brockerhoff, Belinda A Gresham, Nicolas Meurisse, Helen F Nahrung, Anouchka Perret-Gentil, Andrew R Pugh, Stephanie L Sopow and Rebbeca M Turner

NeoBiota, Vol.84, pp.137-167

2023

DOI: https://doi.org/10.3897/neobiota.84.95864

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Abstract

Biological invasions

establishment

impact assessment

insect herbivores

interceptions

Monterey pine

pest risk analysis

Pinaceae, plantation forest

radiata pine

Pinus radiata (radiata pine or Monterey pine) is threatened in its native range in California and, at the same time, one of the most widely-planted tree species worldwide, especially in the southern hemisphere. It is affected by a wide range of plant-feeding insects both in its native range and in regions where it is planted as an introduced tree. In addition, there are many invasive insects that have colonised P. radiata, in some cases causing major damage. Here, our objectives were to provide a complete and up-to-date overview of all insect species recorded from P. radiata worldwide, to summarise where these insects are native and which countries or regions they have invaded, to categorise them according to their impacts as damaging species or as vectors of plant pathogens, and to examine border interceptions to determine whether pathways exist that would allow these species to enter and potentially invade additional regions. Our compilation of insects feeding on P. radiata provides a list of 649 species (and an additional 11 species identified at the genus level only). Coleoptera is the most represented order in the list (299 species), followed by Lepidoptera (224 species) and Hemiptera (65 species). We classified 28 species as high-impact, including 12 true bark beetles (Coleoptera: Curculionidae: Scolytinae), eight Lepidoptera, five other Coleoptera, two Hymenoptera and one Hemiptera. These species can cause substantial direct damage or act as vectors of highly-damaging plant pathogens. Other species cause only occasional damage, rarely requiring management (classified as 'low-medium impact') or they are generally benign ('negligible impact'). Hemiptera and Scolytinae have a high proportion of species established outside their native range. The Nearctic and Neotropic regions have been invaded by the most high-impact species, mainly by species native to Europe. Border interceptions of 185 species (29% of those on our list) were recorded during import inspections between 1995-2021, indicating considerable potential for further invasions. The findings of our study can be used to identify potential high-impact invaders and the pathways that may require more phytosanitary attention. Furthermore, our analyses provide useful insights into the insect-plant interactions resulting from the global distribution of a tree species and the native and non-native insects feeding on it.

Details

Title: Pining away and at home: global utilisation of Pinus radiata by native and non-native insects
Authors: Eckehard G Brockerhoff (Corresponding Author) - Swiss Federal Research Institute WSL
Belinda A Gresham (Author) - Scion
Nicolas Meurisse (Author) - Scion
Helen F Nahrung (Author) - University of the Sunshine Coast, Queensland, Forest Industries Research Centre
Anouchka Perret-Gentil (Author) - Swiss Federal Research Institute WSL
Andrew R Pugh (Author) - Scion
Stephanie L Sopow (Corresponding Author) - Scion
Rebbeca M Turner (Author) - Scion
Publication details: NeoBiota, Vol.84, pp.137-167
Publisher: Pensoft Publishers
Date published: 2023
DOI: 10.3897/neobiota.84.95864
ISSN: 1314-2488; 1619-0033
Copyright note: This is an open access article distributed under the terms of the Creative Commons Attribution License (CC BY 4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Grant note: CO4X1703/ New Zealand Ministry of Business Innovation and Employment Strategic Science Investment Funding 771271/ European Union’s Horizon 2020 research and innovation programme
Organisation Unit: University of the Sunshine Coast, Queensland; Forest Industries Research Centre; Forest Research Institute
Language: English
Record Identifier: 99725895502621
Output Type: Journal article

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Web Of Science research areas: Biodiversity Conservation; Ecology

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