Fig. 3

Pattern of the genetic variability and polymorphism of Niger An. stephensi COXI and ITS2 fragments. (a). maximum likelihood phylogenetic tree of COXI sequences; (b). COXI sequences showing haplotypes and their respective frequencies, as well as (c). polymorphic sites with respect to the major haplotype (Hap_1). (d). A maximum likelihood phylogenetic tree of ITS2 sequences; (e). ITS2 sequences showing haplotypes and their respective frequencies, as well as (f). polymorphic sites with respect to the major haplotype (Hap_1).