| | | Kind of type | Full locality |
| | | [not recorded as a type] | Southwestern U.S.A., California, Los Angeles County |
| | | [not recorded as a type] | Southwestern U.S.A., California: Pasadena, Arroyo Seco |
| | | [not recorded as a type] | Southwestern U.S.A., California: San Jacinto Mountains |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada: Ruby Valley |
| | | [not recorded as a type] | Southwestern U.S.A., California, Kern County |
| | | [not recorded as a type] | Southwestern U.S.A., California, Los Angeles County |
| | | [not recorded as a type] | Southwestern U.S.A., California, Mono County |
| | | [not recorded as a type] | Southwestern U.S.A., California, Monterey County |
| | | [not recorded as a type] | Southwestern U.S.A., California, Riverside County |
| | | [not recorded as a type] | Southwestern U.S.A., California, San Benito County |
| | | [not recorded as a type] | Southwestern U.S.A., California, San Bernardino County |
| | | [not recorded as a type] | Southwestern U.S.A., California, San Diego County |
| | | [not recorded as a type] | Southwestern U.S.A., California, San Luis Obispo County |
| | | [not recorded as a type] | Southwestern U.S.A., California, Santa Barbara County |
| | | [not recorded as a type] | Southwestern U.S.A., California, Ventura County |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Churchill County |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Clark County |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Douglas County |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Esmeralda County |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Eureka County |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Lander County |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Lincoln County |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Nye County |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Pershing County |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, White Pine County |
| | | [not recorded as a type] | Southwestern U.S.A., Utah, Juab County |
| | | syntype of species Idiostatus aequalis (Scudder, 1899); lectotype of species Idiostatus aequalis (Scudder, 1899) | Southwestern U.S.A., California: Cajon Pass |
| | | holotype of synonym Cacopteris femorata Scudder, 1899 | Southwestern U.S.A., California: Santa Monica |
| | | syntype of synonym Cacopteris nevadensis Scudder, 1899; lectotype of synonym Cacopteris nevadensis Scudder, 1899 | Southwestern U.S.A., Nevada: Ruby Valley |