Abstract
ABSTRACT Many fruit flies in the genus Bactrocera (Diptera: Tephritidae: Dacini) are economically important insects. However, little attention has been given to the molecular phylogenetic relationship among Bactrocera subgenera. We explored the phylogenetic relationship among the 8 subgenera Afrodacus, Austrodacus, Bactrocera, Daculus, Gymnodacus, Paratridacus, Tetradacus, and Zeugodacus based on the sequences of 2 mitochondrial DNA fragments with a combined length of 1034 base pairs. The 2 mtDNA fragments are a 689-bp segment of the COI gene and a 345-bp segment of the 16S rDNA gene. Thirty-five individuals representing 7 Bactrocera species found in the Chongqing region in China were sequenced for both fragments, and sequences of the same gene regions were acquired from GenBank for another 20 Bactrocera species and 2 other tephritid species, Anastrepha ludens and Ceratitis capitata, which were used as out-groups for the phylogenetic analyses. We reported Bactrocera (Tetradacus) minax and Bactrocera (Zeug...
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