| | | Kind of type | Full locality |
| | | syntype of subspecies Scudderia furcata furcata Brunner von Wattenwyl, 1878 | Northeastern U.S.A., Maine: Maine and Texas |
| | | holotype of synonym Scudderia williamsi Piza, 1974 | Southeastern U.S.A., Louisiana, East Baton Rouge Parish: Baton Rouge |
| | | [not recorded as a type] | North-Central U.S.A., Kansas: near Lawrence, northern shore of Perry Lake |