Four New Records of Hemipenthes (Diptera, Bombyliidae) in Tianjin

In June 2021, investigations were conducted on pollinator of Diptera in Tianjin Jiulongshan National Forest Park. Four species of Hemipenthes Loew, 1869 (Diptera, Bombyliidae) were collected and reported. They were H. beijingensis, H. velutina, H. neimengguensis and H. ningxiaensis. A key to the species of Hemipenthes from Tianjin was presented. The specimens are deposited in the Entomological Museum of the China Agricultural University, Beijing (CAU).