Fig. 2From: Frequency of sodium channel genotypes and association with pyrethrum knockdown time in populations of Californian Aedes aegyptiLocations from which Ae. aegypti were analyzed. Cities where founders for each lab strain were collected. Individuals were collected from the 5 cities we labeled on the map. Each lab strain was reared from individuals collected at various sites in these cities and reared together to increase specimen numbers.Back to article page