The ground beetle,Chlaenius pallipes,belonging to the genus Chlaeniu( Coleoptera: Carabidae),is widely distributed in East Asia and overwinters as adults. It is highly abundant in northern China and plays an important role in agriculture and forest pest control. To understand the population genetic differentiation and demographic history of C.pallipes from the Tsinling Mountains,a 1,602 bp fragment of mitochondrial DNA( Cox1-tRNALeu-Cox2) was sequenced for151 individuals from 13 geographical populations fro...