| | | Kind of type | Full locality |
| | | [not recorded as a type] | Southeastern U.S.A., Tennessee, Obion County |
| | | [not recorded as a type] | Southeastern U.S.A., Mississippi: Agriculture College Mississippi |
| | | [not recorded as a type] | Southeastern U.S.A., Tennessee: along road S. of Walnut Log Lodge along Bayou du Chien |
| | | [not recorded as a type] | Southeastern U.S.A., Arkansas: Cabot |
| | | [not recorded as a type] | Southeastern U.S.A., Mississippi |
| | | [not recorded as a type] | Southeastern U.S.A., Tennessee, Obion County |
| | | [not recorded as a type] | Southeastern U.S.A., Arkansas: Cabot |
| | | [not recorded as a type] | Southeastern U.S.A., Mississippi, Oktibbeha County: State College |
| | | [not recorded as a type] | Southeastern U.S.A., Louisiana: Shreveport |
| | | holotype of species Microcentrum louisianum Hebard, 1939 | Southeastern U.S.A., Louisiana: Shreveport |