record
| Common Name | County | Date | Observer(s) | Number | Comments | |
| 1 Horace's Duskywing | Tyrrell | 1996-06-22 | HEL,Pippen | 2 | ||
| 2 Horace's Duskywing | Tyrrell | 1998-06-20 | HEL,Pippen | 2 | ||
| 3 Horace's Duskywing | Tyrrell | 1999-06-19 | S. Hartley | 3 | ||
| 4 Horace's Duskywing | Tyrrell | 2000-06-25 | HEL,Pippen | 12 | ||
| 5 Horace's Duskywing | Tyrrell | 2001-06-17 | S. Hartley | 10 | ||
| 6 Horace's Duskywing | Tyrrell | 2002-06-22 | S. Hartley | 21 | ||
| 7 Horace's Duskywing | Tyrrell | 2002-07-09 | W. Cook | 1 | ||
| 8 Horace's Duskywing | Tyrrell | 2003-06-21 | S. Hartley | 40 | ||
| 9 Horace's Duskywing | Tyrrell | 2004-06-19 | S. Hartley | 11 | ||
| 10 Horace's Duskywing | Tyrrell | 2007-06-20 | S. Hartley | 4 | PETT | |
| 11 Horace's Duskywing | Tyrrell | 2010-09-10 | J. Monroe | 1 | Bazemore Road | |
| 12 Horace's Duskywing | Tyrrell | 2014-08-31 | E. Corey et al. | 2 | PETT butterfly count | |
| 13 Horace's Duskywing | Tyrrell | 2015-09-05 | HEL, Corey, et al. | 1 | Pettigrew State Park butterfly count | |
| 14 Horace's Duskywing | Tyrrell | 2016-08-28 | HEL, m.ob | 1 | Pettigrew SP butterfly count |