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

Agricultural areas of 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 increased mosquito populations and sustained West Nile virus activity. Treatment … Continue reading

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

ROSEVILLE, Calif., August 11, 2017 – The Placer Mosquito and Vector Control District reported today that a mosquito sample has tested positive for St. Louis encephalitis virus (SLEV).  Laboratory staff detected the virus while performing routine testing of mosquito samples. … Continue reading