The value of sentinel plants for risk assessment and surveillance to support biosecurity

Mansfield, Sarah; McNeill, M.R.; Aalders, Lee T.; Bell, N.L.; Kean, John M.; Barratt, B. I. P.; Boyd-Wilson, K.S.H.; Teulon, D.A.J.

doi:10.3897/neobiota.48.34205

Cited by 40 publications

(32 citation statements)

References 59 publications

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“…Experiments on the interaction of potential invaders and their host species outside the primary insect range carry unreasonably high risks. However, such studies are possible using sentinel trees planted outside their native range (for example, in urban planting or botanical gardens) [ 211 ]. Such research is particularly valuable for species that do not cause significant damage in their native habitat [ 212 ].…”

Section: Discussionmentioning

confidence: 99%

Biological Strategies of Invasive Bark Beetles and Borers Species

Demidko

Mikhaylov

et al. 2021

Insects

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The present study attempts to identify the biological characteristics of invasive (high-impact in the secondary area) bark beetles and borers species, contributing to their success in an invaded area. We selected 42 species based on the CABI website data on invasive species and information on the most studied regional faunas. Four groups of species with different invasion strategies were identified based on the cluster and factor analysis. The first one (inbred strategy) is characterized by flightless males, xylomycetophagy, low fecundity (~50 eggs), inbreeding, polyvoltinism, and polyphagy. Species with an aggressive strategy are poly- or monovoltine, feeds on a limited number of hosts, larval feeding on the inner bark, are often associated with phytopathogens, and produce aggregation pheromones. Representatives of the polyphagous strategy have a wide range of hosts, high fecundity (~150 eggs), larval feeding on wood, and their life cycle is at least a year long. For the intermediate strategy, the typical life cycle is from a year or less, medium fecundity, feed on inner bark tissues, mono- or oligophagy. Comparison with low-impact alien species showed that the most significant traits from the viewpoint of the potential danger of native plant species are high fecundity, polyvoltinism, presence of symbiotic plant pathogens, long-range or aggregation pheromones.

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Section: Discussionmentioning

confidence: 99%

Biological Strategies of Invasive Bark Beetles and Borers Species

Demidko

Mikhaylov

et al. 2021

Insects

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“…Countries rank from 0 to 4, where score 0 corresponds to no complexity, and score 4 corresponds to highest complexity The implementation of the ''sentinel planting'' tool requires thorough planning, long-term funding, strong local links and reliable collaborators. First experiences have been gained through national initiatives, in particular in New Zealand (Fagan et al 2008;Mansfield et al 2019), bilateral collaborations (e.g. Roques et al 2015) and regional or global collaborative projects, such as COST Action ''Global Warning'' and the EUPHRESCO project ''International Plant Sentinel Network'' (http://www.plantsentinel.org/).…”

Section: The Development Of a Standard For Phytosanitarymentioning

confidence: 99%

A worldwide perspective of the legislation and regulations governing sentinel plants

et al. 2019

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Sentinel plants, plants in exporting countries that are inspected at regular intervals for signs and symptoms of invertebrate pests and microbial pathogens, are a promising tool for detecting and identifying harmful organisms of woody plants prior to their introduction into importing countries. Monitoring of sentinel plants reveals crucial information for pest risk analyses and the development of mitigation measures. The establishment of sentinel plants requires the import and plantation of non-native plants, which may be affected by the laws, regulations and administrative procedures in the individual countries. To evaluate the feasibility of sentinel plants as a global approach, this study aimed to summarise regulations and administrative procedures that affect the establishment of sentinel plants using non-native plants in countries worldwide. Information about national regulations of import and planting of non-native plant species was collected through a questionnaire survey, conducted among national representatives to the International Plant Protection Convention. Over 40 countries responded. The results show that legislations and regulations should not be major obstacles for a global use of the sentinel plants approach. However, the few existing experiences show that it can be complicated in practice. Here we describe the current state of art of the procedures that should be adopted to establish sentinel plants and we propose a strategy to circumvent the shortcomings resulting from the lack of a specific regulation.

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“…through the experimental exposure of paired down deadwood (DDW) pieces to native beetles in native stands. Our ‘sentinel log’ approach was symmetrically derived from the ‘sentinel plant’ method, which is increasingly advocated as a strategy to identify potential plant pests in a particular region before they are introduced (Mansfield et al ., 2019).…”

Section: Introductionmentioning

confidence: 99%

The use of sentinel logs to assess host shifts in early beetle colonisers of deadwood under climate‐ and forestry‐induced tree species substitutions

Bouget

Larrieu

2020

Insect Conserv Diversity

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1. Global change scenarios project drastic modifications in tree species range and an increase in exotic tree plantations. Subsequent tree species substitutions may alter habitat conditions for biodiversity. 2. We measured substitutability between tree species for early deadwood colonisers, through a sentinel log approach, i.e. through the experimental exposure of paired down deadwood (DDW) pieces to native beetles in native stands. We compared two native/ substitute tree species pairs: one conifer pair composed of a rapidly expanding exotic species (Douglas fir) and a declining native species (silver fir), and one deciduous pair composed of two native species, one expanding (sessile oak) and one retreating (beech) at the regional scale. 3. The effects of expanding exotic and native trees on beetle communities were not in line with expectations. 4. Species assemblages in Douglas fir DDW were indistinguishable from those in native silver fir DDW and did not contain fewer species. Assemblages were not more generalist on average in substitutes than in substituted trees: we did not note any decrease in species richness of functional groups to the detriment of specialist species. 5. Moreover, species richness and abundance were higher in substitute oak than in native beech DDW, confirming that species from the regional pool were able to colonise oak, even though it is a minor tree species at the regional level. 6. Large-scale monitoring schemes including multi-taxon, multi-year and multiple native/substitute pairs would further our knowledge of the generic effects of tree species substitution on biodiversity and ecosystem functioning.

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The value of sentinel plants for risk assessment and surveillance to support biosecurity

Cited by 40 publications

References 59 publications

Biological Strategies of Invasive Bark Beetles and Borers Species

Biological Strategies of Invasive Bark Beetles and Borers Species

A worldwide perspective of the legislation and regulations governing sentinel plants

The use of sentinel logs to assess host shifts in early beetle colonisers of deadwood under climate‐ and forestry‐induced tree species substitutions

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