Is Mythimna turca (Lepidoptera: Noctuidae) a migrant?

文献类型： 外文期刊

第一作者： Xu, Ruibin

作者： Xu, Ruibin;Shen, Xiujing;Ge, Shishuai;Xu, Ruibin;Liu, Yongqiang;Shen, Xiujing;Ge, Shishuai;Cang, Xinzhu;Guo, Jianglong;Wu, Kongming;Guo, Jianglong

作者机构：

关键词： Mythimna turca; Searchlight trapping; Ovarian examination; Population dynamics; Wind direction; Trajectory analysis; Migration

期刊名称：JOURNAL OF ASIA-PACIFIC ENTOMOLOGY （ 影响因子：1.58； 五年影响因子：1.575 ）

ISSN： 1226-8615

年卷期： 2022 年 25 卷 2 期

页码：

收录情况： SCI

摘要： The double line moth, Mythimna turca (Linnaeus, 1761) (Lepidoptera: Noctuidae), is an important widely distributed insect species. Studies on the moth in European countries have focused on population monitoring and in China on taxonomy of Mythimna and distribution surveys of M. turca. However, whether M. turca is a migratory insect is unknown. Here, migration of the moth population was monitored using a searchlight trap from 2004 to 2020 on Beihuang island, Northern China, providing direct evidence that M. turca migrates across the Bohai Strait seasonally, in late May to early September. Population dynamics, ovarian development, wind direction and possible migration trajectories were also analyzed. Most moths migrated in June and at the end of August and the beginning of September, and a few migrated in May, July and October. The average duration of this windborne migratory period of M. turca was 93 d. Migratory trajectories demonstrated that M. turca mainly moved northward in spells of southerly winds from June to August and moved southward in spells of northerly winds during September. This new key information about the ecology of M. turca population will aid the formulation of M. turca management strategies.

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