The evolutionary and taxonomic status is important for understanding speciation events and phylogenetic relationships between closely related vector and nonvector species. This information is useful for targeting important disease vector species groups for the development of novel genetic-based vector and pathogen control methods. In this study, different phylogenetic analyses were performed to reconstruct phylogenetic trees for the primary malaria vectors in Thailand based on sequence information of 4 DNA fragments from the nuclear and mitochondrial regions. The primary Anopheles species in the subgenus Cellia involved in malaria transmission in Thailand separate clearly into 3 distinct clades: the Leucosphyrus group, Minimus subgroup, and Maculatus group. The phylogenetic trees based on different reconstructed algorithms and different gene regions provided congruent phylogenetic status of the mosquito species studied. The phylogenetic relationships of malaria vector species examined followed similar patterns based on morphological characters. An estimate of the divergence time among the Anopheles species infers that they were present during the Eocene and Miocene periods (>41 million years ago). Congruent phylogenetic analysis of malaria vectors is presented with different algorithms and gene regions. The nuclear TOLL6 fragment appears useful for molecular phylogenetic, species DNA barcode, and Anopheles population genetic analyses.
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