Table 2.

Results of statewide WNV mosquito testing 2003 to 2004

Species	Years	Pools tested	Mosquitoes tested	Positive pools	MIR (95% CI)	Vector index
Cx. territans	2003–2004	8	8	0	0 (0–375)	0 (0–5.5)
Ur. sapphirina	2003–2004	9	13	0	0 (0–230.8)	0 (0–5.5)
Ae. sollicitans	2003–2004	11	21	0	0 (0–142.9)	0 (0–5.5)
An. quadrimaculatus	2003–2004	17	22	0	0 (0–136.4)	0 (0–5.5)
An. punctipennis	2003–2004	24	44	0	0 (0–68.2)	0 (0–5.5)
An. walkeri	2003–2004	24	101	0	0 (0–29.7)	0 (0–5.5)
Ae. triseriatus	2003–2004	64	157	0	0 (0–19.1)	0 (0–5.5)
Cq. perturbans	2003–2004	42	203	0	0 (0–14.8)	0 (0–5.5)
Ae. trivittatus	2003–2004	204	2,716	0	0 (0–1.1)	0 (0–5.5)
Ae. fitchii	2003	25	82	2	24.4 (<0.1–57.6)	7.2 (0–17.1)
	2004	12	156	0	0 (0–19.2)	0 (0–11.1)
Cx. salinarius	2003	98	336	1	3 (<0.1–8.8)	3.6 (0–10.7)
	2004	22	22	0	0 (0–136.4)	0 (0–11.1)
Ae. cinereus	2003	49	346	1	2.9 (<0.1–8.5)	3.6 (0–10.6)
	2004	19	223	0	0 (0–13.5)	0 (0–11.2)
Cs. inornata	2003	80	255	1	3.9 (<0.1–11.5)	3.6 (0–10.6)
	2004	82	373	0	0 (0–8)	0 (0–11.1)
Cx. pipiens/restuans	2003	184	538	1	1.9 (<0.1–5.6)	3.7 (0–10.9)
	2004	115	382	3	7.9 (<0.1–16.7)	11.2 (0–23.6)
Ae. dorsalis	2003	103	724	2	2.8 (<0.1–6.6)	7.3 (0–17.3)
	2004	128	1,735	0	0 (0–1.7)	0 (0–10.9)
Cx. tarsalis	2003	316	7,108	35	4.9 (3.3–6.5)	125.7 (84.7–166.8)
	2004	574	21,095	24	1.1 (0.7–1.5)	85.9 (54.7–117.2)
Ae. vexans	2003	606	24,018	3	0.1 (<0.1–0.2)	8.7 (0–17.3)
	2004	352	13,913*	1	0.1 (<0.1–0.3)	37.2 (0–111.5)*

* Only a portion of the Ae. vexans captured in 2004 were tested for WNV.