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Mapping the life-history, development, and survival of spotted lantern fly in occupied and uninvaded ranges

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Abstract

The Spotted Lantern Fly (SLF), Lycorma delicatula (Hemiptera: Fulgoridae), is a sap feeding pest native to southeast Asia that has become a global biosecurity threat following invasions into South Korea, Japan, and the United States in the last two decades. Environmental niche modelling has demonstrated considerable potential for further range expansions, including into Australia and Europe. Further analysis on the potential seasonal life-history and survival of this pest in its invasive range can inform monitoring programs and is a next step in biosecurity preparedness. Here, we incorporated eco-physiological information on the development and survival of SLF life stages across temperature regimes. Using gridded climatic data, we then mapped the developmental sequence of SLF across ranges already occupied in China, South Korea, and the United States, as well as uninvaded ranges in Australia and Europe. The model was able to capture global observations of the seasonal appearance of SLF and highlight regional and seasonal vulnerabilities in regions at risk of invasion. Policy makers can use these results to make science-based biosecurity decisions and target preparedness activities through improved life-history predictions in its invasive range.

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Availability of data and material

All data utilised in the study is published or publicly available with sources provided in text.

Code availability

Source code required to reproduce the analysis is available at https://github.com/cesaraustralia/SpottedLanternFly

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Acknowledgements

We thank Ruth Luckner, Angus Carnegie (NSW DPI), John McDonald (Greenlife Industry Australia), Jo Chong Wah (DEDJTR), Sarah Brown (DJPR), Michelle Smith (NSW DPI), Sharyn Taylor, and David Gale (PHA) for valuable discussions. This study was supported by the Australian Plant Biosecurity Science Foundation.

Funding

This study was supported by the Australian Plant Biosecurity Science Foundation.

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Correspondence to James L. Maino.

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Maino, J.L., Schouten, R., Lye, J.C. et al. Mapping the life-history, development, and survival of spotted lantern fly in occupied and uninvaded ranges. Biol Invasions 24, 2155–2167 (2022). https://doi.org/10.1007/s10530-022-02764-z

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  • DOI: https://doi.org/10.1007/s10530-022-02764-z

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