| Date | Site | OS Grid Ref | Stage | Quantity |
|---|---|---|---|---|
| 25 Sep 2021 | Newton Lane, Tattenhall | SJ480603 | Adult | 1 |
| 02 Oct 2016 | Hilbre Island | SJ1887 | Adult | 1 |
| 21 Sep 2014 | Shocklach | SJ437486 | Adult | 1 |
| 04 Oct 2011 | Hilbre Island | SJ1888 | Adult | 1 |
| 02 Oct 2011 | Hilbre Island | SJ1888 | Adult | 1 |
| 06 Sep 2007 | Hilbre Island | SJ1888 | Adult | 1 |
| 05 Sep 2007 | Hilbre Island | SJ1888 | Adult | 1 |
| 28 Aug 2007 | Hilbre Island | SJ1888 | Adult | 1 |
| 16 Sep 2006 | Hilbre Island | SJ1888 | Adult | 2 |
| 15 Sep 2006 | Hilbre Island | SJ1888 | Adult | 2 |
| 14 Sep 2006 | Hilbre Island | SJ1888 | Adult | 1 |
| 09 Sep 2006 | Hilbre Island | SJ1888 | Adult | 1 |
| 08 Sep 2006 | Hilbre Island | SJ1888 | Adult | 1 |
| 07 Sep 2006 | Hilbre Island | SJ1888 | Adult | 1 |
| 21 Sep 2005 | Hilbre Island | SJ1888 | Adult | 1 |
| 13 Sep 2003 | Hilbre Island | SJ1888 | Adult | 1 |
| 12 Sep 2003 | Hilbre Island | SJ1888 | Adult | 1 |
| 06 Sep 2003 | Hilbre Island | SJ1888 | Adult | 1 |
| 16 Sep 2002 | Hilbre Island | SJ1888 | Adult | 2 |
| 12 Sep 2002 | Hilbre Island | SJ1888 | Adult | 2 |
| 23 Sep 1997 | Hilbre Island, observatory garden | SJ185878 | Adult | 1 |
| 1996 | Hilbre Island, observatory garden | SJ185878 | Adult | 4 |
| 1996 | Heathbank Avenue, Irby | SJ254852 | Adult | 1 |
| 18 Sep 1993 | Hilbre Island | SJ1887 | Adult | 1 |
| 17 Sep 1993 | Deansfield Way, Elton | SJ453753 | Adult | 1 |
| 29 Sep 1992 | Western Avenue, Blacon | SJ380677 | Adult | 1 |
| 1984 | Arden Drive, Neston | SJ291766 | Adult | 1 |
| 25 Sep 1983 | Arden Drive, Neston | SJ291766 | Adult | 1 |
| 24 Sep 1983 | Arden Drive, Neston | SJ291766 | Adult | 1 |
| 23 Sep 1983 | Arden Drive, Neston | SJ291766 | Adult | 1 |
| 21 Sep 1983 | Arden Drive, Neston | SJ291766 | Adult | 1 |
| 20 Sep 1983 | Arden Drive, Neston | SJ291766 | Adult | 1 |
| 17 Sep 1983 | Arden Drive, Neston | SJ291766 | Adult | 1 |
| 1982 | Heron Court, Parkgate | SJ282774 | Adult | 1 |
| 1981 | Marsh Cottage, Denhall, Burton | SJ299749 | Adult | 1 |
| 22 May 1980 | Hilbre Island | SJ1888 | Larval | 1 |
| 1980 | Marsh Cottage, Denhall, Burton | SJ299749 | Adult | 1+ |
| 1978 | Foxhill, Frodsham | SJ5075 | Not recorded | 1+ |
| 1977 | Celtic Road, Meols | SJ233900 | Adult | 1 |
| 1977 | Malpas | SJ4847 | Adult | 1 |
| 1975 | Thurstaston | SJ2484 | Not recorded | 1+ |
| 1967 | Burton | SJ3074 | Adult | 1 |
| 12 Sep 1965 | Pulford | SJ3758 | Adult | 2 |
| 1964 | Burton | SJ3074 | Adult | 1 |
| 1962 | Burton | SJ3074 | Adult | 1 |
| 20 May 1961 | Burton | SJ3074 | Larval | 1+ |
| 1961 | SJ28 | SJ28 | Not recorded | 1+ |
| 1955 | Chester | SJ4166 | Adult | 1 |
| 1953 | Bebington | SJ3284 | Adult | 1 |
| 18 Sep 1952 | Burton | SJ3074 | Adult | 10 |
| 05 Sep 1952 | Burton | SJ3074 | Adult | 1 |
| 31 Aug 1952 | Burton | SJ3074 | Adult | 2 |
| 27 Sep 1951 | Burton | SJ3074 | Adult | 9 |
| 1951 | Burton | SJ3074 | Adult | 4 |
| 1950 | Burton | SJ3074 | Adult | 1+ |
| 1947 | Hoylake Langfields | SJ2288 | Adult | 1+ |
| 1940 | SJ88 | SJ88 | Not recorded | 1+ |
| 1938 | Heswall | SJ2781 | Adult | 1 |
| 1903 | Sealand | SJ3569 | Adult | 1+ |
| 1903 | White Hall, Tarporley | SJ5966 | Adult | 1+ |
| 1903 | Helsby | SJ4875 | Adult | 1+ |
| 1890 | West Kirby | SJ2187 | Adult | 1+ |
| 1890 | Bidston | SJ2890 | Adult | 1+ |
| 1890 | Hoylake Langfields | SJ2288 | Adult | 1+ |
| 1889 | Chester | SJ4065 | Adult | 1+ |
| 1885 | Birkenhead Park | SJ3089 | Not recorded | 1+ |
| 1885 | Tranmere | SJ3287 | Not recorded | 1+ |
| 1800 | SJ88 | SJ88 | Not recorded | 1+ |
| 1800 | SJ57 | SJ57 | Not recorded | 1+ |