| pseudanostirus nigricollis | | USA: Montana, Flathead Co, Polebridge, Hay Creek, Chadwick's | | 556562773 |
| pseudanostirus nigricollis | | USA: Montana, Powell Co, S of junction of Hwys 200 and 141 | | 556562775 |
| pseudanostirus nigricollis | | USA: Montana, Flathead Co, Polebridge, Hay Creek, Chadwick's | | 556562777 |