| 11 Oct 2025 | Richmond Street, Warrington | SJ633873 | Larval | 1+ |
| 21 Oct 2022 | Gowy Meadows CWT | SJ4373 | Case | 1 |
| 11 Oct 2022 | Gowy Meadows CWT | SJ4373 | Case | 3 |
| 27 Aug 2022 | Bayswater Road, Wallasey | SJ286928 | Adult | 1 |
| 02 Jul 2022 | Knowle Close, Great Sutton | SJ381751 | Adult | 1 |
| 21 Oct 2021 | Gowy Meadows CWT | SJ4374 | Case | 1 |
| 11 Oct 2021 | Gowy Meadows CWT | SJ4374 | Case | 1 |
| 09 Oct 2021 | Gowy Meadows CWT | SJ4374 | Case | 2 |
| 01 Oct 2021 | Gowy Meadows CWT | SJ4374 | Case | 1 |
| 29 Jun 2021 | Common Lane, Waverton | SJ455639 | Adult | 1 |
| 21 Nov 2020 | Thornton-le-Moors | SJ4474 | Larval | 1 |
| 25 Oct 2020 | Gowy Meadows CWT | SJ4373 | Case | 1 |
| 11 Oct 2020 | Gowy Meadows CWT | SJ4373 | Case | 1 |
| 06 Oct 2020 | Clive Green | SJ6865 | Case | 1 |
| 04 Oct 2020 | Gowy Meadows CWT | SJ4373 | Case | 2 |
| 01 Oct 2020 | Gowy Meadows CWT | SJ4373 | Case | 5 |
| 29 Sept 2020 | Clive Green | SJ6865 | Larval | 3 |
| 06 Sept 2020 | Gowy Meadows CWT | SJ4373 | Case | 1 |
| 25 Jun 2020 | Linley Lane, Alsager | SJ819545 | Adult | 1 |
| 01 Jun 2019 | Port Sunlight River Park | SJ3485 | Larval | 1 |
| 04 Aug 2008 | Highfield Road, Birkenhead | SJ329862 | Adult | 1 |
| 27 Jul 2006 | Linley Lane, Alsager | SJ819545 | Adult | 1 |
| 17 Oct 2005 | Bradley, Frodsham | SJ5377 | Larval | 1+ |
| 09 Oct 2005 | Pulford | SJ3759 | Larval | 1+ |
| 09 Oct 2005 | Pulford | SJ3659 | Larval | 1+ |
| 24 Sept 2005 | Linley Lane, Alsager | SJ819545 | Larval | 1+ |
| 22 Jul 2005 | Linley Lane, Alsager | SJ819545 | Adult | 1 |
| 14 Jul 2005 | Linley Lane, Alsager | SJ819545 | Adult | 1 |
| 05 Jul 2005 | Linley Lane, Alsager | SJ819545 | Adult | 1 |
| 08 Jun 2004 | Ness Quay | SJ289759 | Larval | 5 |
| 11 May 2004 | Heswall shore | SJ2580 | Larval | 5 |
| 30 Apr 2000 | Wallasey Dunes | SJ2792 | Case | 5 |
| 08 Oct 1998 | Wallasey Dunes | SJ2792 | Larval | 1 |
| 20 Apr 1985 | Wallasey Dunes | SJ2792 | Case | 1+ |
| 20 Apr 1985 | Leasowe | SJ2590 | Larval | 1 |
| 1985 | Moreton | SJ2489 | Larval | 1+ |
| 19 May 1984 | Wallasey Dunes | SJ2792 | Case | 1+ |
| 19 May 1984 | Wallasey Dunes | SJ2792 | Larval | 6 |
