DNA taxonomy of some Sarcophaga species（Diptera：Sarcophagidae）based on the mitochondrial COⅠ gene fragment
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Key Words：arcophagidae， Sarcophaga， DNA taxonomy， COⅠ gene
Abstract：Based on the classification system of Pape（1996），fiftyfour Sarcophaga species belonging to 30 valid subgenera were selected as the ingroup in this study. The taxonomic status and phylogenetic relationships these subgenera are discussed, based on the mitochondrial cytochrome oxidase Ⅰ（COⅠ） gene, combined with morphology of the male terminalia. The mean genetic distance within the same subgenus was 6.0%（1.8%11.0%），and the mean genetic distance between subgenera was 10.1%（5.2%16.1%）. This analysis indicates that the COⅠgene fragment can be utilized to distinguish different Sarcophaga subgenera.