West Covina, Calif. (June 26, 2023) — The San Gabriel Valley Mosquito and Vector Control District (SGVMVCD) will be conducting an Ultra-Low Volume (ULV) adulticide treatment to address the increase in mosquito abundance and risk of mosquito-borne disease in the city of Covina. The ULV adulticide application will target flying adult mosquitoes that are infected with West Nile virus (WNV) and reduce…

West Covina, Calif. (June 13, 2023) — The San Gabriel Valley Mosquito & Vector Control District (SGVMVCD/District) proudly awarded 44 Vector Inspectors of the Year (VIY) from the cities of Sierra Madre, West Covina, and Monrovia for their participation in a mosquito surveillance program. Through Operation Mosquito G.R.I.D., students use the same tools as vector ecologists to determine the presence…

West Covina, Calif. (June 5, 2023) — The San Gabriel Valley Mosquito & Vector Control District (SGVMVCD/District) has confirmed the first detection of West Nile virus (WNV) activity in its service area. The virus was detected in two dead birds, an American crow and unspecified songbird, collected in the city of Covina on May 25th.

West Covina, Calif. (May 25, 2023) — The San Gabriel Valley Mosquito & Vector Control District (SGVMVCD/District) reminds residents to prepare for mosquito season and prevent mosquito bites this holiday weekend. To date, the District has not reported any West Nile virus activity this year, but mosquito traps are showing an increase in abundance as temperatures rise.