The agricultural areas of western Placer County are scheduled for treatment for larval mosquito populations. Larval treatments involve an EPA-registered biorational* mosquito larvicide applied by a low-flying aircraft in an effort to prevent the emergence of adult mosquitoes and reduce … Continue reading

The most recent round of testing has turned up more West Nile virus-positive dead birds and mosquito samples in northern Roseville. This level of virus activity in this area has not been seen before.  The Placer Mosquito and Vector Control … Continue reading

Areas of western Placer are scheduled for treatment for West Nile virus and mosquito activity.  An EPA-approved mosquito adulticide will be applied in an ultra-low volume (ULV) fog by truck to target adult mosquitoes. Treatment areas (Click map for larger … Continue reading

Areas of Roseville and western Placer County are scheduled for treatment. An EPA-registered mosquito adulticide will be applied in an ultra-low volume (ULV) fog by aircraft in an effort to address high mosquito numbers and West Nile virus activity. Treatment … Continue reading