Fig. 4

Signatures of genomic introgression among the species of the Maculipennis Group. A A schematic explanation of the analysis using D statistics. We tested for discordant genealogies given the maximum-likelihood species tree between species 2 and 3 and species 1 and 3. B Introgression statistics (D) among species shown on the left and their standard deviations (SD) shown by lines on the right. Only combinations of species with Bonferroni corrected P-values < 0.001 are shown. Negative values of D statistics imply gene flow between species 2 and 3, positive values between species 1 and 3, with An. sinensis as an outgroup as schematically depicted in panel A