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ROSEVILLE, Calif. – Unusually high mosquito trap counts trigger localized treatment efforts in northwest Roseville. “These high trap numbers reflect what our technicians and residents in the area have observed,” stated Joel Buettner, General Manager of the Placer Mosquito and Vector … Continue reading

ROSEVILLE, Calif. – Mosquito samples in residential areas of west and northwest Roseville are turning up positive for West Nile virus. “Although the actual numbers of mosquitoes are low, infection rates among mosquitoes are high,” statedJoel Buettner, General Manager of the … Continue reading

Second spray over rice fields scheduled tonight ROSEVILLE, Calif.  – Seven additional mosquito samples tested positive for the West Nile virus in the rice-growing region of western Placer County. “These samples have only come from two sites, which means these … Continue reading

District responds with scheduled spray over rice fields. ROSEVILLE, Calif. – Two additional mosquito samples tested positive for the West Nile virus in the rice-growing region of western Placer County. “It is not unusual for us to have positive samples out … Continue reading

Aerial Treatment in North Sacramento County and a Small Portion of Placer County will begin Tuesday Elk Grove, Calif.— The Sacramento-Yolo and Placer Mosquito Control Districts announced today that aerial spraying to control mosquitoes that may carry the potentially fatal … Continue reading

ROSEVILLE, Calif. – The first mosquito samples in Placer County to test positive this year for the West Nile virus have been reported in the town of Sheridan and Elverta area of western Placer County. “This is a clear indication … Continue reading