Permethrin Susceptibility for the Vector Culex tarsalis and a Nuisance Mosquito Aedes vexans in an Area Endemic for West Nile Virus

Table 1

LC98 diagnostic doses and times for Cx. tarsalis and Ae. vexans with lower (LCL) and upper (UCL) confidence limits.

Species	Time (min)	Diagnostic dose (ug/ml)	LCL (ug/ml)	UCL (ug/ml)
Cx. tarsalis	30	38.3	36.9	40.0
Ae. vexans	30	38.4	37.0	40.0
Cx. tarsalis	45	32.1	30.8	33.6
Ae. vexans	45	31.8	30.5	33.3
Cx. tarsalis	60	27.5	26.3	28.8
Ae. vexans	60	27.0	25.9	28.3