| | | Kind of type | Full locality |
| | | holotype of subspecies Biroella gracilis gracilis Bolívar, 1925 | Papuasia, New Guinea, Papua New Guinea: Mount Hunstein |
| | | allotype of subspecies Biroella gracilis gracilis Bolívar, 1925 | Papuasia, New Guinea, Papua New Guinea: Mount Hunstein |
| | | paratype of subspecies Biroella gracilis gracilis Bolívar, 1925 | Papuasia, New Guinea, Papua New Guinea: Mount Hunstein |
| | | paratype of subspecies Biroella gracilis gracilis Bolívar, 1925 | Papuasia, New Guinea, Papua New Guinea: Mount Hunstein |