Figure 3

Positivity rates of Aedes aegypti and Culex quinquefasciatus larvae in six types of aquatic habitats from 2016 to 2019 in Orange County, California. (A) Container; (B) Underground storm drain system; (C) Water feature; (D) Marsh; (E) Pool/Spa; and (F) Creek. Positivity rate was calculated as the proportion of larval habitats positive for Ae. aegypti or Cx. quinquefasciatus larvae among all habitats examined.