Fig. 3From: Knockdown resistance (kdr) mutations within seventeen field populations of Aedes albopictus from Beijing China: first report of a novel V1016G mutation and evolutionary origins of kdr haplotypesDistribution and frequency of kdr mutations in Ae. albopictus populations in Beijing. a Geographical position of the sampling sites. The shape file was downloaded from the GADM database of Global Administrative Areas (http://gadm.org/) on December 24, 2018. b 1016G mutation. c 1532T mutation. d 1534L/S mutationsBack to article page