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Environmental Entomology (2008) 37, 774-781
Hong-Qiang Feng, Xin-Cheng Zhao, Xian-Fu Wu, Bo Wu, Kong-Ming Wu, Deng-Fa Cheng and Yu-Yuan Guo (2008)
Autumn migration of Mythimna separata (Lepidoptera: Noctuidae) over the Bohai Sea in northern China
Environmental Entomology 37 (3), 774-781
Abstract: The autumn migration of Mythimna separata (Walker) (Lepidoptera: Noctuidae) across the Bohai Sea was observed with a scanning entomological radar and a searchlight trap at Beihuang, an island located in the center of the Bohai Gulf of northern China, in 2003-2006. During the autumn migration, M. separata flew at the altitudes of 50-500 m, with a displacement speed of 4-12 m/s, toward the southwest. Variations of area density of the radar targets and of catches in the searchlight trap through the night indicated that the flight duration of M. separata was ~10 h. Based on these observations, M. separata that originated in northeastern China (i.e., Liaoning, Jilin, and Heilongjiang provinces and part of the Inner Mongolia autonomous region) could immigrate into eastcentral China and subsequently to southern China (i.e., Fujian, Guangdong, and Guangxi provinces) within a week for overwintering.
(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): Kong Ming Wu, Xin-Cheng Zhao, Yu Yuan Guo
Research topic(s) for pests/diseases/weeds:
population dynamics/ epidemiology
Pest and/or beneficial records:
Beneficial | Pest/Disease/Weed | Crop/Product | Country | Quarant.
|
---|---|---|---|---|
Mythimna separata | China (south) | |||
Mythimna separata | China (NE) |