Abstract
The species of genus Hemipenthes can be easily identified by the following characters: wing with extensive infuscate pattern reaching hind margin basally and at least half as long as wing; antennal flagellum onion-shaped and not segmented; fore tibia smooth or with a few weak bristles. In this study, mitochondrial DNA (mtDNA) of the bee fly, Hemipenthes neimengguensis, has been annotated for the first time in the subfamily. The circular genome is 15,405 bp in length with an A + T content of 72.7%, and contains 13 protein-coding genes, 22 transfer RNAs, 2 ribosomal RNAs, and a partial control region (573 bp). All genes have similar locations and strands with that of other published Diptera. Phylogenetic analysis shows that Hemipenthes neimengguensis + Geron pallipilosus (Bombyliidae) were herein corroborated to be a sister group. And they have very closely related to Leptogaster longicauda and Satanas sp. which belong to the family Asilidae. Our results show the location of genus Hemipenthes in Bombyliidae and the location of the family in Brachycera, and provide data for further study of phylogeny in Diptera.
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