Due to increased plague activity in the Tahoe Basin area last fall, public health officials advise caution this summer. With the upcoming Memorial Day holiday heralding the unofficial beginning of the season, residents and visitors alike are being asked to be aware of the potential risk of rodent-borne disease.
Officials at the Placer Mosquito and Vector Control District (PMVCD) announce the beginning of tick season. Results from surveillance activities for Ixodes pacificus, the western black-legged tick, have shown an increase in tick abundance in the foothill areas of Placer County.
The number of West Nile virus-positive birds in Placer County this year is triple that of last year, positive mosquito samples have more than doubled, and the season isn’t even over yet, reports the Placer Mosquito and Vector Control District.
Twenty-two additional mosquito samples in Placer County have tested positive for West Nile virus (WNV) in the past week, all occurring on the western side of the county, from Sheridan in the north, down to the southern border of Roseville.
The Placer Mosquito and Vector Control District reports the highest weekly count of West Nile virus-positive mosquito samples this summer, with 16 additional positive mosquito samples taken from surveillance traps in Sheridan and the agricultural areas west of Roseville this week.
The Placer Mosquito and Vector Control District reports an increase in calls concerning yellowjacket wasps, especially in the western end of Placer County.
The Placer Mosquito and Vector control District reports that mosquito samples taken from surveillance traps in Roseville and Loomis in Placer County have tested positive for West Nile virus.
The Placer Mosquito and Vector Control District has launched its newly redeveloped website.
Although Placer residents have seen a very unusual mosquito season so far this year, the Placer Mosquito and Vector Control District (PMVCD) announces the official beginning of the season during Mosquito and West Nile virus Awareness Week, April 22-28.
The Placer Mosquito and Vector Control District reports an increase in calls from Placer County residents, especially on the western border, where mosquito activity has increased in the past few weeks.