Table 1. Results of malaria vector average density surveillance by the human bait trapping methods in 17 sentinel sites, 11 PLADs, China, 2018–2020.

PLADs	Surveillance site	Average density (number/person•hour)
		Early May	Late May	Early Jun	Late Jun	Early Jul	Late Jul	Early Aug	Late Aug	Early Sep	Late Sep	Early Oct	Late Oct
Note: − : Not monitored Abbreviation: PLAD=provincial-level administrative division.
Anhui	Feidong	1.53	1.80	4.87	6.83	4.32	5.65	2.90	1.98	2.40	1.50	0.70	0.99
	Shucheng	0.00	0.01	0.33	0.35	1.64	1.67	1.25	0.52	0.14	0.04	0.06	0.03
Yunnan	Tengchong	0.00	0.00	0.00	0.00	0.00	0.04	0.08	0.17	0.04	0.08	0.09	0.13
	Cangyuan	0.42	0.22	0.47	0.17	0.47	1.39	0.19	0.31	0.20	0.17	0.00	0.08
	Yingjiang	0.11	0.31	0.45	0.06	0.17	0.31	0.86	0.50	0.36	0.03	0.00	0.03
Hainan	Tianya District	0.30	0.47	0.43	0.53	0.50	0.50	0.83	0.93	0.83	0.90	0.37	0.23
	Wuzhishan	0.73		0.29		0.48		0.31		0.40		0.21
Henan	Yongchen	0.00	0.17	0.14	0.06	1.64	0.00	0.00	0.00	0.03	0.00	0.00	0.00
	Shihe	−	−	2.75	9.15	3.85	6.00	2.50	1.90	2.55	1.30	0.20	0.00
	Puyang	0.00	0.00	0.17	3.03	6.03	7.31	4.75	2.59	0.72	0.50	0.00	0.00
Guizhou	Congjiang	−		0.34		0.31		0.39		0.07		0.01
Jiangsu	Jintan	0.00	0.00	1.11	1.63	2.81	2.33	0.75	1.21	1.07	0.60	0.38	0.07
Hubei	Zaoyang	−	−	2.90	2.97	2.13	0.90	1.20	0.87	0.20	0.07	0.00	0.00
Guangdong	Potou	0.00	0.07	0.00	0.04	0.00	0.00	0.00	0.00	0.00	0.00	0.01	0.00
Guangxi	Shanglin	−		0.31		0.11		0.13		0.06		0.03
Zhejiang	Yiwu	0.00	0.03	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00	0.00
Liaoning	Donggang	0.00	0.00	0.00	0.00	0.00	0.05	0.16	0.45	0.00	0.00	0.00	0.00