| Common Name | County | Date | Observer(s) | Number | Comments | Record Type |
| 1 Black-shouldered Spinyleg [Dromogomphus spinosus] | Johnston; C | 2019-06-22 | "mcorreamaal" | 1 | iNaturalist Record 27579420 | Photo |
| 2 Black-shouldered Spinyleg [Dromogomphus spinosus] | Johnston; C | 1984-09-05 | R. Duncan Cuyler | 1 | sex=FEMALE, directions=sec rd # 1201, habitat=Mill Creek, source=INTERNATIONAL ODONATA RESEARCH INSTITUTE-FSCA | Collect |
| 3 Black-shouldered Spinyleg [Dromogomphus spinosus] | Johnston; C | 1983-08-15 | R. Duncan Cuyler | 2 | Male=1 Female=1, directions=sec rd # 1201, habitat=Mill Creek, source=R DUNCAN CUYLER COLLECTION-FSCA | Collect |
| 4 Black-shouldered Spinyleg [Dromogomphus spinosus] | Johnston; C | ? | Duncan Cuyler | 1 | Donnelly, T.W. 2004. Distribution of North American Odonata. Part I, Part II and Part III | d |