Fig. 2From: Spatio-temporal impacts of aerial adulticide applications on populations of West Nile virus vector mosquitoesCollections of Culex pipiens (a) and Cx. tarsalis (b) during peak West Nile virus (WNV) season. Plus signs (+) indicate the location and number of female mosquitoes per trap-night for each collection during the period when aerial spraying occurred (late June to early October). Colors represent abundance quintiles by species for non-zero collections. A random shift of ≤ 1 km was applied to trap locations to aid visualization of repeated collections at the same locations during the study time frameBack to article page