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Objective: To represent a new geographical record, Phlebotomus (Adlerius) kabulensis (P. kabulensis), which is suspected to be a potential vector of visceral leishmaniasis. Methods: For the first time, P. kabulensis specimens were collected using the sticky paper traps method in outdoor places in mountainous areas with vegetation coverage of three provinces in Iran. Identification of males was based on ecological, morphological, morphometric and molecular (mtDNA cytochrome b gene sequences) criteria. Generally, males have two ascoids on the 8th antennal segment and one ascoid on segments 9th to 15th, aedeagus with normal obtuse-angled sub-terminal notch and coxite with 27–50 groups of hairs on the distal half of its body. Results: Morphometric measurement revealed that P. kabulensis specimens were the same as compared with seven other morphological characters in three provinces of the country but lengths of the coxite were significantly different. The PCR result of the cytochrome b (Cyt b)-mtDNA fragment shows 550-bp length, with its special nucleotide arrangement. The male and female of P. kabulensis were newly discovered members of the subgenus Adlerius from Iran. Initial DNA analysis indicated how distinct this species is. Conclusions: The results show that the P. kabulensis female will be identified by comparing with other Adlerius female groups regarding its morphometric characters and molecular sequencing.