Table 2. Total number of specimens, PCR pools and PCR-positive pools collected for every mosquito species in 2009 survey.

Mosquito species	Specimens (%)	Pool No	WNV PCR/+	USUV PCR/+
Ae. albopictus	1,227 (0.6)	108		2
Ae. caspius	29,283 (15.4)	314
Ae. detritus	5 (<0.1)	2
Ae. dorsalis	13 (<0.1)	1
Ae. geniculatus	8 (<0.1)	3
Ae. vexans	4,597 (2.4)	60
An. maculipennis	82 (<0.1)	14
An. plumbeus	2 (<0.1)	2
Cx. modestus	246 (0.1)	26
Cx. pipiens	155,053 (81.4)	1,259	27	54
Total	190,516	1,789	27	56