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In January 2019, the National Agri-Tech Extension Service Center (NATESC) announced that Spodoptera frugiperda was found and confirmed to have stricken Yunnan Province, and have continued to spread in Southwest Yunnan Province.
The results based on the large-area general survey carried out in 16 cities/prefectures throughout Yunnan Province show that, as of 28 January, Spodoptera frugiperda was active in 3 areas namely Puer City, the Prefecture of Dehong, and Baoshan City and was doing harm to the winter corn fields which covered a total area of 447.7 ha; mainly they were at the stage of larval, and some were pupa, spawns, and even adults - this was an obvious phenomena of stage overlapping.
Both foreign and domestic pests will strike and spread in the first half of 2019. This, undoubtedly, will be a large quantity of pest sources to the lower and middle reaches of Changjiang River and the northern corn producing areas, and will be a great threat to the domestic safe production of corn.
Experts predicted that from May 2019, the Myanmar sourced pests will migrate from Yunnan Province to southern provinces including Guangdong, Hainan, Guizhou, and Hunan, and will also have Sichuan Province, Chongqing Municipality, Jiangxi Province, and Fujian Province involved.
Picture 1: Possible ways for the migration of Myanmar Spodoptera frugiperda following East Asian monsoon in spring 2019