| Date | Location | # |
| June 10, 1980 | Cochrane, AB | 1 |
| Aug. 7, 2005 | Calgary, AB (5th instar larva) | 3 |
| Aug. 7, 2005 | Calgary, AB (adult) | 1 |
| Sept. 17, 2005 | Calgary, AB | 1 |
| June 20, 2007 | Inglewood Bird Sanctuary, Calgary, AB | 1 |
| Aug. 23, 2008 | Drumheller, AB | 1 |
| Sept. 7, 2008 | Sherwood Park, AB | 1 |
| Sept. 9, 2008 | Ponoka, AB | 3 |