2023 West Nile Virus Positive Mosquito Samples

 # Date Collected Cross Streets Species
1 7/6/23 Discovery Bay Hwy 4 x Western Farms Ranch Rd Culex tarsalis
2 7/11/23 Discovery Bay Hwy 4 x Western Farms Ranch Rd Culex tarsalis
3 8/1/23 Brentwood Sycamore Ave x Garin Pkwy Culex pipiens
4 8/7/23 Pittsburg 10th St x Willow Pass Rd Culex tarsalis
5 8/7/23 Oakley Sellers Ave x Contra Costa Canal Culex tarsali
6 8/15/23 Martinez Mococo Rd x Hwy 680 Culex tarsalis
7 8/15/23 Byron Western Farms Ranch Rd x Byron Hwy Culex tarsalis
8 8/22/23 Discovery Bay Hwy 4 x Western Farms Ranch Rd Culex pipiens
9 8/29/23 Knightsen Holland Tract Culex tarsalis
10 8/29/23 Martinez Mococo Rd x Hwy 680 Culex tarsalis
11 8/29/23 Discovery Bay Hwy 4 x Western Farms Ranch Rd Culex tarsalis
12 9/6/23 Concord Pear Dr x Oak Grove Rd Culex tarsalis
13 9/7/23 Martinez Mococo Rd x Hwy 680 Culex tarsalis
14 9/12/23 Concord Pear Dr x Oak Grove Rd Culex tarsalis
15 9/12/23 Brentwood Morro Bay Dr x Emerald Bay Dr Culex pipiens
16 9/12/23 Discovery Bay Sant Point Rd x Discovery Bay Blvd Culex pipiens
17 9/14/23 Concord San Simeon Dr x Luxury Dr Culex tarsalis
18 9/14/23 Discovery Bay Hwy 4 x Western Farms Ranch Rd Culex tarsalis
19 10/3/23 Concord San Simeon Dr x St Joseph Dr Culex tarsalis
20 10/3/23 Martinez Waterfront Rd Culex tarsalis
21 10/3/23 Discovery Bay Hwy 4 x Western Farms Ranch Rd Culex tarsalis
22 10/3/23 Martinez Imhoff Dr x Imhoff Pl Culex pipiens
 
23 10/17/23 Knightsen Holland Tract Culex tarsalis
24 10/17/23 Concord San Simeon Dr x St. Joseph Dr Culex tarsalis
25 10/19/23 Walnut Creek Shadelands Dr x Wiget Ln Culex tarsalis
 26  10/30/23  Martinez Mococo Rd x Hwy 680 Culex tarsalis