Fig. 1From: A cryptic species of Onchocerca (Nematoda: Onchocercidae) in blackflies (Simulium spp.) from southern California, USAAdult blackfly collection sites in Los Angeles County, California. Adult blackflies that tested positive for the uncharacterized Onchocerca sp. in 2015 (n = 6) are indicated by a red star, and the single Onchocerca-positive sample in 2016 (n = 1) is indicated by a purple star.Back to article page