I recall reading a news article a while back about, I think, Aedes control measures being taken. And CA has a decent website outlining control strategies[1], as well as a dedicated website for West Nile virus control[2].
Meanwhile at least one private company and at least one California city have released Wolbachia-infected mosquitos [3],[4] or are seeking approval to release GMO mosquitos [5] to control viral transmission or Aedes breeding.
And Alameda county, at least, has a decent webpage up outlining its program [6].
Mosquito control, in general, is probably somewhat complicated by not wanting to eradicate the native mosquito species.
Meanwhile at least one private company and at least one California city have released Wolbachia-infected mosquitos [3],[4] or are seeking approval to release GMO mosquitos [5] to control viral transmission or Aedes breeding.
And Alameda county, at least, has a decent webpage up outlining its program [6].
Mosquito control, in general, is probably somewhat complicated by not wanting to eradicate the native mosquito species.
1 - https://www.cdph.ca.gov/Programs/CID/DCDC/Pages/Mosquitoesan...
2 - https://westnile.ca.gov/
3 - https://www.businessinsider.com/wolbachia-mosquitoes-califor...
4 - https://www.wired.com/2016/08/california-city-fending-off-zi...
5 - https://www.californiamosquitoproject.com/
6 - https://www.mosquitoes.org/programs