sentence: There have been some studies on the gut microbiota of G. molesta [ 20,31,33 ] , but as far as we know , there are few reports about the structure of the gut bacterial communities when G. molesta feed on the fruits or young shoots of Rosaceae hosts.To explore the impact of host plants on the gut communities of G. molesta , we used 16S rDNA sequencing to investigate the structure of the gut communities of G. molesta fed on artificial diets , apples , pears , nectarines , peaches , plums , and peach shoots .