Human biting mosquitoes and implications for West Nile virus transmission

Parasites & Vectors

Table 1 Mosquito collection data according to each reporting location per trap night, trapping method and total collections by year

Mosquito collection data by each reporting location per trap night
Location	Trapping years	Trapping nights all methods	Total mosquitoes collected
			All species			Culex species			Culex salinarius
			Sum	Per year	Per trap night	Sum	Per year	Per trap night	Sum	Per year	Per trap night
Ultra-fine-scale NWMAD: 55 hexagonal study regions (HLC)	2018–2019	4.32*	223	111.5	51.62	46	23	10.65	34	17	7.87
NWMAD	2005–2016	67,763	1,580,526	131,710.5	23.32	1,169,168	97,430.67	17.25	548	45.67	0.01
Southern Cook County, IL	2005–2012	N/A	5414	676.75	N/A	2222	277.75	N/A	22	2.75	N/A
City of Chicago	2005–2019	N/A							896	59.73	N/A
MMAD	2002–2018	9299	344,517	20,265.706	37.05	305,021	17,942.41	32.8	199	11.71	0.02
Total	54	77,066.32	1,930,680	152,764.46	111.99	1,476,457	115,673.83	60.7	1699	136.86	7.9

Mosquito collection data provided by each reporting location by trapping method
Location	Trapping years	Non-Culex species					Culex species
		Non-Culex species					All species					Culex salinarius
		Sum	LT	GT	HLC	Other	Sum	LT	GT	HLC	Other	Sum	LT	GT	HLC	Other
Ultra-fine-scale NWMAD: 55 hexagonal study regions (HLC)	2018–2019	177	0	0	177	0	46	0	0	46	0	34	0	0	34	0
NWMAD	2005–2016	411,358	N/A				1,169,168	59,127	1,110,041	N/A	N/A	548	548	N/A	N/A	N/A
Southern Cook County, IL	2005–2012	3192	N/A				2222	276	1433	0	513	22	18	4	N/A
City of Chicago	2005–2019	N/A										896	390	443	0	63
MMAD	2002–2018	39,496	N/A				305,021	16,374	288,647	N/A		199	196	3	N/A
Total	54	454,223	0	0	177	0	1,476,457	75,777	1,400,121	46	513	1699	1152	450	34	63
% Culex salinarius	–	–	–	–	–	–	0.12%	1.52%	0.03%	73.91%	12.28%

Total mosquito collection data by year
Year	Ultra-fine-scale NWMAD 55 hexagons	NWMAD		Southern Cook County, Illinois			City of Chicago	MMAD
Year	HLC	LT	GT	LT	GT	Other*	HLC	LT	GT
2002								1001	57
2003								667	1568
2004								2300	3138
2005		4733	111,198	36	303	49	100	3925	4510
2006		6773	148,130	31	269	244	308	2144	9530
2007		130	69,714	46	206	44	80	1867	12,761
2008		6825	64,109	48	192	0	21	1419	7627
2009		9746	49,387	15	106	88	42	423	13,373
2010		5543	54,267	53	151	44	135	57	11,280
2011		5059	47,630	464	1232	320	54	35	9794
2012		7834	109,248	26	296	8	26	231	10,204
2013		5214	179,160				5	115	19,938
2014		3489	117,913				14	60	33,385
2015		2420	116,139				35	34	32,295
2016		1361	43,146				6	179	44,666
2017							4	17	33,809
2018	8						57	1900	40,712
2019	38						9

Detailed information on the collection by genus is given in Additional file 1
HLC Human landing catch, GT gravid trap, LT light trap, MMAD Macon Mosquito Abatement District, N/A not available, NWMAD Northwest Mosquito Abatement District

ISSN: 1756-3305