Pest Management Science (2018) 74, 2100-2109

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Cesar A. Marchioro and Flavia S. Krechemer (2018)
Potential global distribution of Diabrotica species and the risks for agricultural production
Pest Management Science 74 (9), 2100-2109
Abstract:
Background
Despite efforts in the last few decades to prevent biological invasions, agricultural pests continue to spread as a result of globalization and international trade. This study was conducted to identify suitable areas for the occurrence of four Diabrotica species and to assess the potential impact of these species in a scenario of invasion followed by spread throughout the estimated suitable regions.
Results
Our findings reveal that a large proportion of the suitable areas for Diabrotica species overlap with cultivated areas. Niche analyses also demonstrated that these species occupy a small proportion of the suitable habitats available to them, indicating that, if new areas are invaded, there is a risk of spread throughout adjacent regions.
Conclusion
Most of the suitable areas for Diabrotica species overlap with highly productive agricultural areas, suggesting that a potential spread of these species may cause economic loss. Our study provides a valuable contribution to the development of tools aiming to predict the potential spread of these species throughout the world.
(The abstract is excluded from the Creative Commons licence and has been copied with permission by the publisher.)
Link to article at publishers website


Database assignments for author(s): Cesar A. Marchioro

Research topic(s) for pests/diseases/weeds:
surveys/sampling/distribution
environment - cropping system/rotation


Pest and/or beneficial records:

Beneficial Pest/Disease/Weed Crop/Product Country Quarant.
Diabrotica virgifera
Diabrotica undecimpunctata
Diabrotica balteata