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First Report on Megaselia scalaris Loew (Diptera: Phoridae) Infestation of the Invasive Pest Spodoptera frugiperda Smith (Lepidoptera: Noctuidae) in China

文献类型： 外文期刊

作者： Tang, Yunlin 1 ; Li, Qingyan 1 ; Xiang, Li 1 ; Gu, Ruocheng 1 ; Wu, Yanyan 1 ; Zhang, Yonghong 5 ; Bai, Xingrong 5 ; Niu, 1 ;

作者机构： 1.Southwest Univ, State Key Lab Silkworm Genome Biol, Chongqing 400715, Peoples R China

2.Southwest Univ, Chongqing Key Lab Microsporidia Infect & Control, Chongqing 400715, Peoples R China

3.Southwest Univ, Minist Agr, Key Lab Sericultural Biol & Genet Breeding, Chongqing 400715, Peoples R China

4.Southwest Univ, Sch Biotechnol, Chongqing 400715, Peoples R China

5.Yunnan Acad Agr Sci, Inst Sericulture & Apiculture, Mengzi 661101, Peoples R China

6.Crop Seed Management Stn Chongqing, Chongqing 401121, Peoples R China

7.Chongqing Normal Univ, Coll Life Sci, Chongqing 401331, Peoples R China

关键词： Spodoptera frugiperda; invasive pest; natural enemies; Megaselia scalaris; pest management

期刊名称：INSECTS （ 影响因子：2.769； 五年影响因子：3.046 ）

ISSN：

年卷期： 2021 年 12 卷 1 期

页码：

收录情况： SCI

摘要： Simple Summary: The invasive pest Spodoptera frugiperda first emerged in China in 2019, and therefore the information on indigenous natural enemies of S. frugiperda has been limited in China. In this study, we reported that a dipteran species was observed to infest S. frugiperda collected from maize fields in four different regions of China. Further morphological and molecular recognition identified all the flies as Megaselia scalaris. The findings of this study will improve our understanding on natural enemies to S. frugiperda and potentially provide new ideas for integrated pest management strategies in China. The invasive pest Spodoptera frugiperda first emerged in China in January 2019 and has, to date, migrated to 29 provinces and municipalities in China, causing heavy crop damage in large areas. As a response to this invasive species from the environment, some indigenous natural enemies have been discovered and reported after S. frugiperda invasion. In this paper, parasitic flies were collected and identified from S. frugiperda collected in the Yunnan, Guangxi, and Henan provinces and the Chongqing municipality in China. By using both conventional and molecular approaches, we were able to show that all the parasitic flies of S. frugiperda identified in the four regions were Megaselia. scalaris, and that they attacked the pest larvae and pupae. This is the first report on an indigenous Chinese Megaselia species that has parasitic ability against the invasive pest S. frugiperda, potentially providing new ideas for pest control in China.

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