The total number of service requests this December was slightly lower than average (103 compared to a five-year average of 124). Most categories were near average, except for yellowjacket/wasps, which was considerably less than typical for December (15 compared to a five-year average of 37). Yellowjacket and wasp service requests were below average all year in 2021. Additionally, heavy rains in…
Current abundances of all adult mosquito species are low and consistent with the five-year average. The abundance of adult mosquitoes is expected to remain low until spring.
The District’s West Nile virus surveillance program reports several types of positive West Nile virus results, including dead birds, mosquito samples (“pools”), sentinel chickens, and human cases.
The District collects ticks from around the County and tests for several tick-borne diseases, including Borrelia burgdorferi, which causes Lyme disease, and Borrelia miyamotoi, which causes a similar, less-common tick-borne disease.