Adult abundance of all mosquito species are very low, which is consistent with the five-year average. The abundance of adult mosquitoes is expected to remain low until spring.

The District conducts intensive surveillance for invasive Aedes mosquitoes during the summer months. The surveillance program mainly targets two container-breeding species, Aedes aegypti and Aedes albopictus, which have been increasing their range within California over the last several years. The presence of these mosquitoes is highly undesirable because they are aggressive human biters and also…