Integrating ecology and genetics to address Acari invasions

Navajas, María; Ochoa, Ronald

doi:10.1007/s10493-012-9636-8

Cited by 18 publications

(14 citation statements)

References 56 publications

(57 reference statements)

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“…We emphasise, and in agreement with several other authors, that biosecurity is not an isolated system, and that changes are needed across a broad range of disciplines, institutions and procedures to contribute to enhanced biosecurity (Perrings et al 2002;Goka et al 2013;Navajas and Ochoa 2013;Eschen et al 2015a). …”

Section: Discussionsupporting

confidence: 86%

“…Accurate identification is key to informed decision-making (Maynard et al 2004). However, this takes time and expertise, which are often in short supply in border agencies (Navia et al 2007;Lichtenberg et al 2008;Navajas and Ochoa 2013).…”

Section: Identificationmentioning

confidence: 99%

“…For many arthropod species, data are lacking on taxonomy, biology, genetics, distribution, impacts and pathways of introduction (Hong et al 2006;Kenis et al 2009;Navia et al 2010;Navajas and Ochoa 2013). McGeoch et al (2012) found that lack of information was the primary source of error in invasive alien species listing.…”

Section: Informationmentioning

confidence: 99%

“…Although biological invasions are not a new phenomenon, the magnitude and rate of introductions are increasing exponentially (Hulme 2009;Navajas and Ochoa 2013). Concurrently, a greater understanding of the ecological, agricultural, health and economic impacts caused by biological invasions has led to the realization that the consequences of biological invasions may greatly exceed earlier estimations (Perrings et al 2002;Kenis et al 2009;Sujay et al 2010;Simberloff et al 2013).…”

Section: Introductionmentioning

confidence: 99%

“…The most common pathway for introduction of arthropods is as contaminants, although stowaways also occur regularly Kenis et al 2007;Goka et al 2013;Navajas and Ochoa 2013;Eschen et al 2015b). A contaminant is typically associated with a specific imported commodity, such as agricultural plants, fruit, livestock or pets; while a stowaway is associated with a transport vector, such as wood packaging, container ships, machinery or passenger baggage (Hulme et al 2008).…”

Section: Introductionmentioning

confidence: 99%

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Methods and approaches for the management of arthropod border incursions

et al. 2016

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Biological invasions are increasing and are strongly associated with negative agricultural, economic and ecological impacts. It is increasingly recognized that the primary focus in minimizing biological invasions should be to prevent initial entry of alien species. However, exclusion of terrestrial arthropods such as insects and mites is difficult, in part because of their relatively small size, cryptic habits, broad physiological tolerances and close association with various internationally traded goods. Here we discuss methods, approaches, management and intervention systems used by border biosecurity agencies to prevent entry of inadvertently transported arthropods. We examine the at-border systems that exist for the detection and identification of and response to alien arthropods, and discuss the constraints and challenges present in these systems. We critically review current border biosecurity systems and discuss their relative efficacy. We then discuss additional measures and key areas that could be addressed that may further improve these systems. These include: (1) the application of appropriate sampling strategies; (2) employment of suitable inspection methods adequate to detect small and hidden arthropods; and (3) thorough recording of methods, organisms detected and both negative and positive results of inspections. We emphasize that more pathways of introductions for invasive arthropods. Of critical importance is the compilation of complete and accurate invasive species lists and high-risk species watch-lists. The adoption of these recommendations will contribute to improved biosecurity systems for the exclusion of alien, invasive and pest arthropods.

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Section: Discussionsupporting

confidence: 86%

Section: Identificationmentioning

confidence: 99%

Section: Informationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Methods and approaches for the management of arthropod border incursions

et al. 2016

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Arthropods on imported plant products: Volumes predict general trends while contextual details enhance predictive power

Saccaggi

Wilson

Robinson

et al. 2022

Ecological Applications

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Agricultural biosecurity interventions are aimed at minimizing introductions of harmful non‐native organisms to new areas via agricultural trade. To prioritize such interventions, historical data on interceptions have been used to elucidate which factors determine the likelihood that a particular import is carrying a harmful organism. Here we use an interception data set of arthropod contaminants recorded on plant imports arriving in South Africa from 2005 to 2019, comprising 13,566 samples inspected for arthropod contaminants, of which 4902 were positive for the presence of at least one arthropod. We tested 29 predictor variables that have previously been used to explain variation in rates of detection and three variables describing possible sources of additional variation and grouped these into six mutually exclusive “factor classes.” We used boosted regression trees as a non‐parametric stochastic machine‐learning method to build models for each factor class and interactions between them. We explored the influence of these variables with data split either randomly or chronologically. While we identified some specific patterns that could be explained post‐hoc by historical events, only inspected volumes were reliably correlated with detection of arthropod contaminants across the whole data set. However, inspected volumes could not predict future interceptions of arthropods, which instead relied on contextual factors such as country, crop or year of import. This suggests that, although certain factors may be important in certain circumstances or for particular crops or commodities, there is little general predictive power in the current data. Instead, an idiographic approach would be most beneficial in biosecurity to ascertain the details of why a particular pest arrived on a particular pathway and how it might move (and be stopped) in future.

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Climate‐based seasonal dynamics of the invasive red palm mite Raoiella indica

Silva

Fidelis

Amaro³

et al. 2020

Pest Management Science

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BACKGROUND: Raoiella indica Hirst (Acari: Tenuipalpidae) is the most critical coconut and banana pest recently introduced in Brazil. Once the mite pests are introduced, it is essential to understand their dynamics in important crops under open-field climatic conditions to implement strategies for their management and determine the periods when species populations may increase in the field. Modelling tools have been used to determine the potential distribution of species and implications for the management of invasive species. Thus, our aim in this study was to determine the seasonal variation in R. indica and the influence of the monthly climate using CLIMEX modelling. We adjusted the CLIMEX model for R. indica based on distribution data, additional biological characteristics, and fluctuations in the R. indica population in a commercial coconut plantation. RESULTS: The model for the current climate shows a good match between the ecoclimatic index and the global distribution of R. indica. The model results demonstrate that most states of Brazil and several regions worldwide include areas with highly suitable climatic conditions for R. indica. We observed variations in the density of R. indica in commercial coconut crops, with the highest incidence occurring during the first months of the year. CONCLUSION: Our results showed different alterations in seasonal suitability for R. indica that may provide information for the implementation of methods for time management, such as strategies for sampling and control during periods with a high degree of suitability for R. indica.

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Integrating ecology and genetics to address Acari invasions

Cited by 18 publications

References 56 publications

Methods and approaches for the management of arthropod border incursions

Methods and approaches for the management of arthropod border incursions

Arthropods on imported plant products: Volumes predict general trends while contextual details enhance predictive power

Climate‐based seasonal dynamics of the invasive red palm mite Raoiella indica

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