Morphological and Molecular Identification of the Invasive Xylosandrus crassiusculus (Coleoptera: Curculionidae: Scolytinae) and Its South American Range Extending Into Argentina and Uruguay

Landi, Lucas; Gomez, Demian F.; Braccini, Celina L.; Pereyra, Vanina Antonella; Smith, Sarah M.; Marvaldi, Adriana E.

doi:10.1093/aesa/sax032

Cited by 23 publications

(18 citation statements)

References 28 publications

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“…In particular, Xylosandrus crassiusculus (Motschulsky) and Xylosandrus germanus (Blandford) comprise two of the most destructive ambrosia beetles of trees growing in ornamental nurseries and tree fruit orchards (Agnello et al ., ; Ranger et al ., ). Both X. crassiusculus and X. germanus are native to southeast Asia and have become established around the world, including parts of North America, South America, Africa, Europe and Oceania (Rassati et al ., ; Gallego et al ., ; Landi, ; Gomez et al ., ; CABI, , b; Kavčič, ). Adult females of X. crassiusculus and X. germanus tunnel into the heartwood of host trees, where they cultivate fungal gardens of Ambrosiella roeperi T.C.…”

Section: Introductionmentioning

confidence: 99%

Freeze stress of deciduous trees induces attacks by opportunistic ambrosia beetles

Ranger

Schultz

Frank

et al. 2018

Agri and Forest Entomology

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1 A broad host range and the utilization of living but weakened trees contribute, in part, to the invasion success of ambrosia beetles (Curculionidae: Scolytinae). The present study assessed the capability of freeze stress to induce attacks by ambrosia beetles. 2 Freeze stress predisposed Cercis canadensis L., Cornus florida L., Malus pumilaMill. and Styrax japonicus Sieb. to attack under field conditions, although no attacks occurred on untreated trees. More attacks occurred on freeze-stressed versus flood-stressed M. pumila in Virginia but not for S. japonicus in Ohio. Attacks on flooded trees were skewed towards the base of the trunk, whereas attacks on freeze-stressed trees mainly occurred around the upper regions of the trunk and into the branches. The predominant species recovered were Anisandrus maiche Stark and Xylosandrus germanus (Blandford) in Ohio, and Xylosandrus crassiusculus (Motschulsky) in Virginia. 3 Ethanol emissions from trunks of S. japonicus were detected by solid phase microextraction-gas chromatography-mass spectrometry at 1 day after imposing freeze stress, peaking 4 days after injury. 4 Trees with an intolerance of freeze stress are predicted to be vulnerable to attack, especially when subjected to mild winter temperatures followed by late-spring freezes. Freeze stress could thereby facilitate the destructiveness of exotic ambrosia beetles.

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Section: Introductionmentioning

confidence: 99%

Freeze stress of deciduous trees induces attacks by opportunistic ambrosia beetles

Ranger

Schultz

Frank

et al. 2018

Agri and Forest Entomology

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“…The detection of alien species is directly correlated with the intensity of monitoring [11,104]. There is currently little research being done on bark beetles in most parts of South America, but where systematic investigation (especially trapping) has been initiated, new invasive species have been quickly detected [47,86,87,105]. Documenting the future spread of potentially destructive non-native scolytines will require effective monitoring strategies and the collaboration of taxonomic specialists.…”

Section: Discussionmentioning

confidence: 99%

“…The three collections from Misiones are the third report of the Granulate Ambrosia Beetle in Argentina. The first report comprises two collections in 2013 from Campana, Buenos Aires [87]. Most recently, Córdoba and Atkinson [76] add Famaillá, Tucumán, in 2016.…”

Section: Ambrosia Beetlesmentioning

confidence: 99%

“…The Misiones collections predate by a decade the earliest trap records from coastal Brazil. The first collection in Uruguay is from 2010 [87]. Given the long-term trapping programs in Brazilian and Uruguayan forest plantations, the species was likely absent from Brazil at the time the Argentinian specimens were collected.…”

Section: Ambrosia Beetlesmentioning

confidence: 99%

“…Identification: This ambrosia beetle can be identified from descriptions and careful comparison with photos [87,88]. It can also be identified by DNA barcoding [87].…”

Section: Ambrosia Beetlesmentioning

confidence: 99%

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Invasive Bark Beetles (Coleoptera, Curculionidae, Scolytinae) in Chile and Argentina, Including Two Species New for South America, and the Correct Identity of the Orthotomicus Species in Chile and Argentina

Kirkendall

2018

Diversity

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The rate of establishment of non-native bark beetle species is accelerating in many parts of the world and is considered a serious threat to forests and forest crops. Distributional data for exotic bark beetles are urgently needed, but they must be based on sound taxonomy. Using primary literature and original records, I review for the first time the invasive bark beetle (Scolytinae) species in Chile and Argentina, and I give a short risk assessment for each. I also provide the best sources for identifying these species. The invasive pine bark beetle commonly referred to in Chilean research as Orthotomicus erosus (Wollaston) is not that species: evidence suggests that the only Orthotomicus that is or has been in Chile is O. laricis (Fabricius), which is also the Orthotomicus species reported in the most recent research from Argentina. I add new information on the distributions of two other abundant pine-breeding invasive species, Hylurgus ligniperda (F.) and Hylastes ater (Paykull), and I report that populations of Hylastes linearis Erichson have been found in Chile. This is the first known occurrence of the species in South America. Phloeotribus willei Schedl, a tiny bark beetle collected from domestic fig trees in Chile and Peru, has been considered native heretofore. I argue that it must be an introduced Neotropical species, and I present new localities for Chile. I present the first Chilean records of the Myrtaceae specialist ambrosia beetle Amasa truncata (Erichson), an Australian species recently found in southern Brazil and northeastern Uruguay, and new Argentinian records that seem to be the earliest finds of Xylosandrus crassiusculus (Motschulsky) in South America. The Canary Island palm seed specialist Dactylotrypes longicollis (Wollaston) is reported for the first time from South America, from Chile. The presence in Chile of another spermatophage, Coccotrypes dactyliperda (F.), is confirmed. New Chilean regions and new host records are given for Pagiocerus frontalis (F.), a species that breeds in Lauraceae seeds but also in stored maize. Other exotic species treated briefly include Hylastinus obscurus (Marsham), Hylesinus taranio (Danthione), Scolytus multistriatus (Marsham), S. rugulosus (Müller), Coccotrypes cyperi (Beeson), and Xyleborinus saxeseni (Ratzeburg). Finally, reports of several species from Chile or Argentina are considered unsupported by evidence: Scolytus kirschii Skalitzky, Pityokteines curvidens (Germar), Coccotrypes robustus Eichhoff, and Hypothenemus hampei (Ferrari).

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Molecular Identification of Insect Pests of Horticultural Crops

Mani

Venkatesan

Chethan

2022

Trends in Horticultural Entomology

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Morphological and Molecular Identification of the Invasive Xylosandrus crassiusculus (Coleoptera: Curculionidae: Scolytinae) and Its South American Range Extending Into Argentina and Uruguay

Cited by 23 publications

References 28 publications

Freeze stress of deciduous trees induces attacks by opportunistic ambrosia beetles

Freeze stress of deciduous trees induces attacks by opportunistic ambrosia beetles

Invasive Bark Beetles (Coleoptera, Curculionidae, Scolytinae) in Chile and Argentina, Including Two Species New for South America, and the Correct Identity of the Orthotomicus Species in Chile and Argentina

Molecular Identification of Insect Pests of Horticultural Crops

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