Table 1.

Mosquito species captured and sampled for West Nile virus (WNV) from 2011 to 2013 in Ontario, Canada.

Species	N samples	Mean N mosquitoes/sample	N samples tested for WNV	WNV+ samples	WNV prevalence (%)
Aedes vexans complex	2,947	14.3	1,868	15	0.8
Ochlerotatus canadensis	201	4.1	19	0	0.0
Ochlerotatus japonicus	1,049	5.5	1,037	1	0.1
Ochlerotatus stimulans	143	9.3	143	0	0.0
Ochlerotatus triseriatus	459	4.1	458	1	0.2
Ochlerotatus trivitatus	472	8.2	472	0	0.0
Coquilletidia perturbans	1,139	16.3	1	0	0.0
Culex pipiens/restuans	3,652	12.2	3,648	297	8.1
Anopheles punctipennis	406	2.4	406	1	0.2
Anopheles quadrimaculatus	70	2.3	69	0	0.0
Culex salinarius	109	3.4	109	4	3.7
Culex tarsalis	2	2.5	2	0	0.0
Total	10,649	11.3	8,232	319	3.9