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1 December 2015 Source Areas for the Early Immigration of Sogatella furcifera (Homoptera: Delphacidae) at Xiushan in the Middle Reach of Yangtze River of China
C. X. Jiang, X. L. Chen, J. C. Bi, J. J. Li, X. H. Xiao, Q. Li, H. J. Wang, Q. F. Yang
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Abstract

The spatiotemporal distribution of source areas for the early immigration of the whitebacked planthopper, Sogatella furcifera (Horvth), at Xiushan in the middle reach of Yangtze River of China, was analyzed with HYSPLIT (Hybrid Single-Particle Lagrangian Integrated Trajectory) and Arc-GIS 10.0. The analysis was based on light trap data collected during April–July in 2000–2012. The synoptic meteorology backgrounds during the immigration periods were analyzed by GrADS (Grid Analysis and Display System). The light trap catches of S. furcifera varied monthly and annually. S. furcifera started immigration in Xiushan in early April to early May, whereas the main immigration period was in July. The distribution of the source areas varied monthly, and the core was moved from the south to the north gradually. The main source areas of S. furcifera in May were in southwestern Guangxi and northern Vietnam. The source areas of S. furcifera in June were located in southwestern Guangxi and western Hunan. Additionally, some of the pests were from southeastern Yunnan. The source areas in July were in northwestern Guangxi, southwestern Guizhou, eastern Yunnan, and the transitional parts of Guangxi, Guizhou, and Yunnan. The sum frequencies of southwest and south winds on the 850 hPa isobaric surface of Xiushan of May-July in heavy occurrence years were more than the light occurrence years. The key meteorological factors were suggested to be vertical perturbation, precipitation, and wind shear during S. furcifera immigration periods.

© The Authors 2015. Published by Oxford University Press on behalf of Entomological Society of America. All rights reserved. For Permissions, please email: journals.permissions@oup.com
C. X. Jiang, X. L. Chen, J. C. Bi, J. J. Li, X. H. Xiao, Q. Li, H. J. Wang, and Q. F. Yang "Source Areas for the Early Immigration of Sogatella furcifera (Homoptera: Delphacidae) at Xiushan in the Middle Reach of Yangtze River of China," Journal of Economic Entomology 108(6), 2789-2799, (1 December 2015). https://doi.org/10.1093/jee/tov230
Received: 13 October 2014; Accepted: 11 July 2015; Published: 1 December 2015
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KEYWORDS
HYSPLIT
Sogatella furcifera (Horvth)
trajectory analysis
white-backed planthopper
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