Comigration and interactions between two species of rice planthopper (Laodelphax striatellus and Sogatella furcifera) and natural enemies in eastern Asia
文献类型: 外文期刊
作者: Wang, Xingya;Ma, Haotian;Wu, Qiulin;Zhou, Yan;Zhou, Lihong;Xiu, Xianzhi;Zhao, Yuechao;Wu, Kongming
作者机构:
关键词: rice planthopper;migration route;migration trajectories;suction trap;integrated pest management
期刊名称: PEST MANAGEMENT SCIENCE
ISSN: 1526-498X
年卷期: 2023 年
页码:
收录情况: SCIE(2023版)
摘要: BackgroundNatural enemies are important in pest control. However, control by natural enemies is hindered by the migration of rice planthoppers. Therefore, comigration and interactions between Laodelphax striatellus (Fallen) and Sogatella furcifera (Horvath) and five predator species, Chrysoperla sinica Tjeder, Harmonia axyridis (Pallas), Episyrphus balteatus, Syrphus corollae (Fab.) and Chrysopa pallens (Rambur) in eastern Asia were investigated. ResultsFrom 2012 to 2021, the migration patterns of two rice planthoppers and five natural enemy species were monitored by suction trapping on Beihuang Island, Shandong Province, China. Both planthoppers and the five natural enemies regularly comigrated from late April to late October each year. There were significant interannual and seasonal differences in the numbers of two rice planthoppers migrating across this island. Simulated seasonal migration trajectories indicated different source areas for the two rice planthoppers, which mainly originated in northeast, north and east China. The biomass of planthoppers was significantly positively correlated with that of the ladybug H. axyridis in all migration periods, and significant differences in the ratio of rice planthoppers to natural enemies among months. A time-lag effect between seasons was obtained when natural enemies and pests comigrated. ConclusionMigration was coordinated between rice planthoppers and natural enemies in East Asia. When natural enemies and rice planthoppers comigrated, time lags between seasons were observed. The unique insights into the migration patterns will help to increase understanding of the occurrence of rice planthoppers in eastern Asia and provide an important theoretical basis for regional monitoring and management of rice planthoppers. & COPY; 2023 Society of Chemical Industry.
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