| | | Kind of type | Full locality |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Clark County: Las Vegas |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Clark County: Las Vegas |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Clark County: Las Vegas |
| | | [not recorded as a type] | Southwestern U.S.A., California: Banning |
| | | [not recorded as a type] | Southwestern U.S.A., California: Tanbark |
| | | [not recorded as a type] | Southwestern U.S.A., California: San Jacinto River, San Jacinto Mts. |
| | | [not recorded as a type] | Southwestern U.S.A., California, Los Angeles County |
| | | [not recorded as a type] | Southwestern U.S.A., California, San Luis Obispo County: between San Luis Obispo and San Simeon Bay |
| | | [not recorded as a type] | Southwestern U.S.A., California, San Bernardino County |
| | | [not recorded as a type] | Southwestern U.S.A., California: Cahon Pass |
| | | [not recorded as a type] | Southwestern U.S.A., California: Tighes |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada: Crestline |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada: Tule Springs |
| | | [not recorded as a type] | Southwestern U.S.A., Arizona: Boulder Springs near Kingman |
| | | [not recorded as a type] | Southwestern U.S.A., California, Riverside County: 5mi. S. of Palm Springs |
| | | [not recorded as a type] | Southwestern U.S.A., California: San Jacinto Mountains |
| | | [not recorded as a type] | Southwestern U.S.A., California, San Bernardino County: Warner's in Laguna Mts. |
| | | [not recorded as a type] | Southwestern U.S.A., California: San Diego, Campo |
| | | [not recorded as a type] | Southwestern U.S.A., California: Lockwood |
| | | [not recorded as a type] | Southwestern U.S.A., California: Potrero |
| | | [not recorded as a type] | Southwestern U.S.A., California: Mount Tom |
| | | [not recorded as a type] | Southwestern U.S.A., California: Tacoima Wash |
| | | [not recorded as a type] | Southwestern U.S.A., California: Coalinga |
| | | [not recorded as a type] | Southwestern U.S.A., Nevada, Clark County |
| | | holotype of species Arethaea brevicauda (Scudder, 1900) | Southwestern U.S.A., California: Cahon Pass |