| | | Kind of type | Full locality |
| | | holotype of subspecies Dactylotum bicolor bicolor Charpentier, 1845 | Mexico |
| | | syntype of synonym Dactylotum pictum Gerstaecker, 1873 | Mexico |
| | | holotype of synonym Dactylotum histricum Rehn, 1904 | Mexico Northeast, San Luis Potosí: La Joya |
| | | syntype of synonym Dactylotum pictum Gerstaecker, 1873 | Mexico |
| | | [not recorded as a type] | North-Central U.S.A., Oklahoma |