| | | Kind of type | Full locality |
| | | [not recorded as a type] | Southwestern U.S.A., California, Siskiyou County |
| | | [not recorded as a type] | Northwestern U.S.A., Oregon, Klamath County |
| | | [not recorded as a type] | Northwestern U.S.A., Oregon, Jackson County |
| | | holotype of species Idiostatus gurneyi Rentz, 1973 | Northwestern U.S.A., Oregon, Jackson County: Mount Ashland Ski Bowl, 1 mile W of picnic area |