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Journal of Integrative Agriculture  2021, Vol. 20 Issue (3): 694-706    DOI: 10.1016/S2095-3119(20)63207-5
Section 2: Invasion and migration Advanced Online Publication | Current Issue | Archive | Adv Search |
Windborne migration routes of newly-emerged fall armyworm from Qinling Mountains–Huaihe River region, China
WU Qiu-lin1, SHEN Xiu-jing1, 2, HE Li-mei1, JIANG Yu-ying3, LIU Jie3, HU Gao4, WU Kong-ming1
1 State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, P.R.China
2 College of Plant Protection, Fujian Agriculture and Forestry University, Fuzhou 350002, P.R.China
3 National Agro-Tech Extension and Service Center, Beijing 100125, P.R.China
4 Department of Entomology, Nanjing Agricultural University, Nanjing 210095, P.R.China
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The fall armyworm (FAW, Lepidoptera: Noctuidae), Spodoptera frugiperda (J. E. Smith), invaded China in mid-December 2018; since then, it has become a great threat to Chinese agricultural production.  Qinling Mountains–Huaihe River region (QM–HRR) is the transitional zone between northern and southern China, an important region for both corn and wheat production.  Based on the actual occurrence of QM–HRR invaded by FAW in 2019, daily mean surface air temperature and nocturnal wind conditions at 925 hPa were examined, and migratory routes of FAW moths originated in QM–HRR were modeled by a forward-trajectory-analysis approach.  The results indicated that migratory activities of FAW adults emerged in QM–HRR were initiated from late June.  The moths from western QM–HRR, where has complex topographic terrain, mainly flied to Ningxia and Inner Mongolia before mid September.  However, FAW moths from the eastern QM–HRR primarily engaged in high-altitude northward transport assisted by the prevailing southerly winds before mid August, and the North China Plain was identified as the main destination of FAW.  Meanwhile, the migration trajectories of FAW moths had a possibility to reach the Northeast China Plain.  From mid August, FAW moths in eastern QM–HRR largely migrated southward and returned to the Yangtze River Valley.  This study provides detailed information on the occurrence and migration routes of FAW moths from QM–HRR and will be helpful for early warning and development of integrated pest management strategies for the control of this exotic insect pest.
Keywords:  Spodoptera frugiperda        invasive pest        Qinling Mountains–Huaihe River region        atmospheric circulation        windborne migration trajectory  
Received: 14 January 2020   Accepted:
Fund: This work was supported by the National Natural Science Foundation of China (31901873 and 31727901), the China Postdoctoral Science Foundation (2019M660896), the Central Public-interest Scientific Institution Basal Research Fund, China (CAAS-ZDRW202007), and the National Key R&D Program of China (2019YFD0300105).
Corresponding Authors:  Correspondence WU Kong-ming, E-mail:   
About author:  WU Qiu-lin, Mobile: +86-15150536696, E-mail:;

Cite this article: 

WU Qiu-lin, SHEN Xiu-jing, HE Li-mei, JIANG Yu-ying, LIU Jie, HU Gao, WU Kong-ming. 2021. Windborne migration routes of newly-emerged fall armyworm from Qinling Mountains–Huaihe River region, China. Journal of Integrative Agriculture, 20(3): 694-706.

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