Table 2.

The severity of Spodoptera frugiperda infestations in 13 provinces in China by May 10, 2019 (NATESC, 2019e, f)

Provincial region	Month of first detection	Insect stage	No. of cities	No. of counties	Crop type	Infestation and crop acreage
Yunnan	January	Larvae	15	112	Corn	20 000 ha, up to 3 larvae per plant and normally 1%–10% plants infested.
	April	Larvae	3	3	Sugarcane	3680 ha, up to 40% plants infested in Longchuan county.
Guangxi	March	Adults	3	6	–	–
	April	Larvae	14	65	Corn/sugarcane	Corn: 46 600 ha, up to 6 larvae per plant and normally 5%–9% plants infested.
Guangdong	April	Larvae	7	16	Corn	187 ha, up to 0.2 larvae per plant and 10%–20% plants infested.
Guizhou	April	Larvae	6	21	Corn	1200 ha, up to 0.4 larvae per plant and normally 9%–11% plants infested.
Hunan	April	Larvae	6	12	Corn	1300 ha, up to 1.2 larvae per plant and normally 5%–41% plants infested.
Hainan	April	Larvae	–	18	Corn	30 ha, up to 0.7 larvae per plant and 80% plants infested in Wanning county.
Fujian	May	Larvae	6	9	Corn	6.6 ha, up to 1.2 larvae per plant and 20%–40% plants infested.
Zhejiang	May	Larvae	2	2	Corn	5.3 ha, up to 0.02–0.1 larvae per plant and 1%–10% plants infested.
Hubei	May	Larvae	2	1	Corn	333 ha, up to 0.2–0.6 larvae per plant and 9.5%–18% plants infested in Tongshan county.
Sichuan	May	Larvae	1	1	Corn	<1 ha, up to 0.1 larvae per plant and 1.3% plants infested in Xichang City.
Jiangxi	May	Larvae	1	1	Corn	33 ha, up to 0.3 larvae per plant and 3%–30% plants infested in Ganzhou City.
Chongqing	May	Larvae	1	1	Corn	2 ha, up to 0.6 larvae per plant and up to 50% plants infested in Beibei District.
Henan	May	Larvae	1	1	Corn	<1 ha in Xinyang City.