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Occurrence and Distribution of Rhinoncus sibiricus (Coleoptera: Curculionoidea) and Its Preference for Two Buckwheat Species in China

文献类型： 外文期刊

作者： Meng, Huanwen 1 ; Zhou, Hongyou 1 ; Wang, Lihua 2 ; Zhang, Xiaoyu 1 ; Liu, Wanyou 1 ; Zhao, Yingjie 1 ; Dong, Baozhu 1 ;

作者机构： 1.Inner Mongolia Agr Univ, 306 Zhaowuda Rd, Hohhot 010018, Inner Mongolia, Peoples R China

2.Yunnan Acad Agr Sci, Biotechnol & Germplasm Resources Inst, 9 Xueyun Rd, Kunming 650223, Yunnan, Peoples R China

3.Inner Mongolia Acad Agr & Anim Husb Sci, 22 Zhaojun Rd, Hohhot 010031, Inner Mongolia, Peoples R China

关键词： buckwheat weevil; buckwheat; distribution; cultivation area; insect attack

期刊名称：JOURNAL OF INSECT SCIENCE （ 影响因子：1.857； 五年影响因子：1.904 ）

ISSN：

年卷期： 2019 年 19 卷 5 期

页码：

收录情况： SCI

摘要： Rhinoncus sibiricus Faust, a major pest of buckwheat, has invaded the buckwheat cultivation areas of China for years. This pest was first found in Russia in 1940, causing great damage during the entire buckwheat-growing season. In China, there are few records on R. sibiricus, and studies regarding pest damage on buckwheat are unknown. The occurrence and distribution of this species in China is still not clear. We therefore conducted field surveys for 6 yr to identify the distribution range and the degree of pest damage caused by R. sibiricus in the buckwheat-planting areas of China and tested its preference for two Fagopyrum species in common garden experiments.The results showed that R. sibiricus had a larger distribution range in the Northern rather than the Southern part of China, and that pest damage was more serious in northern China.The pest preferred F. tataricum (Tartary buckwheat, Polygonales: Polygonaceae) over F. esculentum (Common buckwheat, Polygonales: Polygonaceae), but caused damage to both, indicating its potential for distribution in southern China. This study clarified the occurrence, distribution, and damage traits of R. sibiricus in the buckwheat cultivation areas of China, which will help explain the pest attack traits and inform strategies for pest control and prediction.

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