Category Archives: Vector Control

It’s fall, why am I still seeing mosquitoes?

In Contra Costa County, there’s more than one mosquito season because we have more than one type of mosquito. Contra Costa County is actually home to 23 known species of mosquitoes. Among these 23 different species, there are mosquitoes that have the ability … Continue reading

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First sign of West Nile Virus activity of the year in Contra Costa County

The Contra Costa Mosquito & Vector Control District is reporting one chicken from the District’s sentinel chicken flock on Holland Tract, near Knightsen has tested positive for antibodies against West Nile virus. This is the first sign of West Nile … Continue reading

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What to do if You are Face-to-Face with Ground-nesting Yellowjackets in Your Yard

“I was minding my own business, mowing my lawn when all of a sudden, I’m being attacked by yellowjackets.” Does this sound familiar? Contra Costa County residents often share stories like this when a Contra Costa Mosquito & Vector Control … Continue reading

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Be A West Nile Watcher

Reduce the Risk of West Nile Virus–Be on the Lookout for Mosquitoes and Dead Birds   First come the hot days of summer, then the warm summer nights soon follow–and those warm nights actually increase the risk of West Nile virus … Continue reading

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What to do to avoid painful yellow jacket stings

Put traps up now Yellowjackets can sting and bite repeatedly. Yellowjackets stings and bites are painful and can be dangerous for people who are allergic. And more than one yellowjacket has been known to ruin a backyard barbecue. What can you … Continue reading

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SMELL THAT SMELL?

10 Tips to Reduce the Risk of Rabies During Skunk Mating Season For skunks, it’s the smell of love as male skunks seek females during mating season. For the rest of us, it’s the unmistakable scent of skunk spray – … Continue reading

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Four Important Steps to Take Now to Prevent Mosquitoes Later

This winter was so dry, scientists said California’s chance of having a “normal water year” was down to nearly 30 percent. Then we experienced Miracle March 2018, and even more rain has continued off and on. Now there are plenty … Continue reading

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