Invasive Insects in Mediterranean Forest Systems: Australia

Nahrung, Helen F.; Loch, Andrew; Matsuki, Mamoru

doi:10.1007/978-3-319-24744-1_17

Cited by 12 publications

(10 citation statements)

References 58 publications

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“…Indeed, all seven of the eucalypt‐feeding insects considered invasive in WA from eastern Australia are also invasive overseas, of which five are shared with NZ (Nahrung and Swain 2015; Nahrung et al . 2016; this study). Given the enormous species pool of eucalypt insects in eastern Australia, that the suite of invasive species between WA and overseas is identical is noteworthy from an invasion biology/pathway perspective, as is the unidirectionality of movement within Australia from east to west.…”

Section: Discussionsupporting

confidence: 50%

Expansion of the geographic range of the eucalypt pest Paropsisterna cloelia (Stål) (Coleoptera: Chrysomelidae) through synonymy and invasion

et al. 2020

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The accidental introduction of the eucalypt‐feeding paropsine beetle Paropsisterna cloelia (Paropsisterna variicollis) into New Zealand (NZ) in 2016 prompted investigation of the species complex to which the invasive species belongs. Two mitochondrial gene regions, Cytochrome c oxidase subunit 1 and Cytochrome b, were sequenced from field‐collected specimens superficially resembling P. cloelia collected in Queensland, the Australian Capital Territory, New South Wales, Victoria, South Australia, Tasmania, Western Australia (WA) and NZ. Four distinct Paropsisterna species groups were found, and representatives from each clade were identified with named species using morphology. P. cloelia was confirmed via sequencing and morphology to occur in all sampled geographic regions. The WA and NZ populations showed no diversity at the gene regions studied and hence represent invasive populations. The invasive WA haplotype was shared with both Tasmania and Victoria, whereas the NZ haplotype was unique, but most similar to one shared between WA, Tasmania and Victoria. The melanistic colour variant of P. cloelia was only found in eastern mainland Australian populations and was absent from Tasmania and invasive populations. Implications for pest management, including biological control, are discussed.

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Section: Discussionsupporting

confidence: 50%

Expansion of the geographic range of the eucalypt pest Paropsisterna cloelia (Stål) (Coleoptera: Chrysomelidae) through synonymy and invasion

et al. 2020

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“…Evidently, the historical record of ophiostomatoid fungi in Australian pine plantations has relied heavily on morphology, and/or the association of blue stain in the presence of the pine bark beetle, I. grandicollis (Carnegie and Nahrung 2019;. Interestingly, the introduction of I. grandicollis in 1943 coincides with the introduction of two other exotic pine bark beetles, namely Hylastes ater and Hylurgus ligniperda in 1936 and 1942, respectively (Nahrung et al 2016). Both are known to also vector ophiostomatoid fungi (Kim et al 2011;de Errasti et al 2018).…”

Section: Introductionmentioning

confidence: 99%

Ophiostomatoid fungi associated with pine bark beetles and infested pines in south-eastern Australia, including Graphilbum ipis-grandicollis sp. nov.

et al. 2021

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The ophiostomatoid fungi are an assemblage of ascomycetes which are arguably best-known for their associations with bark and ambrosia beetles (Curculonidae) and blue stain (sap stain) of many economically important tree species. These fungi are considered a significant threat to coniferous forests, which has resulted in numerous studies characterising the diversity of bark beetles and their ophiostomatoid associates globally. The diversity of ophiostomatoid fungi present in Australian pine plantations, however, remains largely undetermined. The aims of this study were therefore to reconsider the diversity of ophiostomatoid fungi associated with Pinus in Australia, and to establish the baseline of expected taxa found within these plantation ecosystems. To achieve this, we reviewed Australian plant pathogen reference collections, and analysed samples collected during forest health surveillance programs from the major pine growing regions in south-eastern Australia. In total, 135 ophiostomatoid isolates (15 from reference collections and 120 collected during the current study) were assessed using morphological identification and ITS screening which putatively distinguished 15 taxonomic groups. Whole genome sequencing (WGS) of representative isolates from each taxon was performed to obtain high-quality sequence data for multi-locus phylogenetic analysis. Our results revealed a greater than expected diversity, expanding the status of ophiostomatoid fungi associated with Pinus in Australia to include 14 species from six genera in the Ophiostomatales and a single species residing in the Microascales. While most of these were already known to science, our study includes seven first records for Australia and the description of one new species, Graphilbum ipis-grandicollis sp. nov.. This study also provides an early example of whole genome sequencing (WGS) approaches replacing traditional PCR-based methods for taxonomic surveys. This not only allowed for robust multi-locus sequence extraction during taxonomic assessment, but also permitted the rapid establishment of a curated genomic database for ophiostomatoid fungi which will continue to aid in the development of improved diagnostic resources and capabilities for Australian biosecurity.

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“…Although this species only uses Ulmus spp. as host plants to complete its development, some preliminary results have shown that it is attracted to non-host plants such as Eucalyptus globulus (Nahrung et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

Coupled gas chromatographic-electroantennographic responses of Xanthogaleruca luteola (Müller) (Coleoptera: Chrysomelidae) to volatile organic compounds from Eucalyptus globulus extract

Reyes-Garcia

Lizama

Roldan

et al. 2021

Chil. j. agric. res.

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Xanthogaleruca luteola (Müller) is a monophagous pest species indigenous to Europe, known as elm leaf beetle. During the larval and adult stages, this insect damages elm leaves as it chews small holes in the leaves, causing, even, complete defoliation, leaving only the nervation. Although this species only uses Ulmus spp. as host plants to complete its development, some preliminary results have shown that is attracted to non-host plants such as Eucalyptus globulus Labill. In order to understand the role of volatile organic compounds emitted by E. globulus when the insect is attracted to this non-host plant, dichloromethane extracts of E. globulus were analyzed through gas chromatography-mass spectrometry, and main compounds were identified. Likewise, to evaluate the response of the antennae in X. luteola males and females to the compounds contained in the extract, a gas chromatographic-electroantennographic detection (GC-EAD) was conducted. Only females were observed to respond to α-pinene, eucalyptol, 4-terpineol, α-terpineol, α-terpineol acetate, α-gurjunene, alloaromadendrene, alloaromadendrene, viridiflorene, and globulol compounds. This study is the first step to identify substances mediating the host plant selection of X. luteola.

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Invasive Insects in Mediterranean Forest Systems: Australia

Cited by 12 publications

References 58 publications

Expansion of the geographic range of the eucalypt pest Paropsisterna cloelia (Stål) (Coleoptera: Chrysomelidae) through synonymy and invasion

Expansion of the geographic range of the eucalypt pest Paropsisterna cloelia (Stål) (Coleoptera: Chrysomelidae) through synonymy and invasion

Ophiostomatoid fungi associated with pine bark beetles and infested pines in south-eastern Australia, including Graphilbum ipis-grandicollis sp. nov.

Coupled gas chromatographic-electroantennographic responses of Xanthogaleruca luteola (Müller) (Coleoptera: Chrysomelidae) to volatile organic compounds from Eucalyptus globulus extract

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