Category Archives: Mosquito

West Nile virus persists–more mosquitoes, a bird, chickens test positive

The Contra Costa Mosquito & Vector Control District is reporting mosquitoes from Quimby Island and Bethel Island, a dead bird from Oakley, and chickens from Martinez and Oakley have tested positive for West Nile virus. This is the first West … Continue reading

Posted in Mosquito | Leave a comment

A Scientist Explains Why Mosquitoes Bite Some People More Than Others

From Science Alert by Richard Halfpenny, THE CONVERSATION 19 AUG 2018 Surprisingly few of the more than 3,000 mosquito species actually specialise in biting humans. Instead, most are opportunistic feeders – feeding when they are able and from lots of … Continue reading

Posted in Mosquito, News You Can use | Leave a comment

Thursday, August 23, 2018 – Adult Mosquito Control to Take Place in Discovery Bay and Martinez Waterfront

Due to the high number of mosquitoes and the detection of West Nile virus in the area, the Contra Costa Mosquito & Vector Control District will be using truck-mounted, ultra-low volume sprayers to control adult mosquitoes in two locations. DATE: … Continue reading

Posted in Mosquito, Vector Control, West Nile | Leave a comment

New detections of West Nile Virus in California horses

A dangerous disease, west Nile virus, has returned to California this summer.  Last week, four horses were diagnosed with the disease – two in Sacramento County and one each in Kern and Placer counties. Two of the horses have been euthanized … Continue reading

Posted in Mosquito, Vector Control, West Nile | Leave a comment

Risk Grows as Bird, Mosquitoes Test Positive for West Nile Virus

The Contra Costa Mosquito & Vector Control District is reporting mosquitoes from Oakley and Discovery Bay and two dead birds from Discovery Bay have tested positive for West Nile virus. This is the fifth group of mosquitoes and the third … Continue reading

Posted in Mosquito | Leave a comment

Fight The NEW Bite – Stop the Invasion

  Take Action Now to Prevent Invasive Mosquito Species in Contra Costa County Just two counties now stand between Contra Costa County and mosquitoes capable of transmitting Zika, dengue fever, yellow fever and chikungunya viruses. It’s time to Fight the … Continue reading

Posted in Mosquito | Leave a comment

Adult Mosquito Fogging Notification for Discovery Bay

Due to the detection of West Nile virus in the area, the Contra Costa Mosquito & Vector Control District will be fogging by truck-mounted, ultra-low volume sprayers to control adult mosquitoes. DATE: Friday, July 20, 2018 TIME: Between dusk (approximately … Continue reading

Posted in Mosquito, Vector Control | Leave a comment