Environmental Factors Associated with Mosquito Vector Larvae in a Malaria-Endemic Area in Ratchaburi Province, Thailand

Figure 2

Map of Anopheles larva surveillance in the areas along the Phachi River flowing through Huay Nam Nak village (in a circle, red = percentage of An. barbirostris s.l., blue = percentage of An. subpictus s.l., and black = no mosquito larvae (NM)) (physical environment characteristics: green = forest area, yellow = agricultural land, black = thick forest, pink = orchard, blue = reservoir, and gray = residential area).