| 21 Dec 2025 | Holly Court, Helsby | SJ492760 | Case | 2 |
| 08 Nov 2025 | Plovers Lane, Helsby | SJ493759 | Larval | 5 |
| 27 Sept 2025 | Helsby Cemetery | SJ498760 | Larval | 10 |
| 07 Aug 2025 | Holly Court, Helsby | SJ492760 | Larval | 1 |
| 11 Jul 2025 | Holly Court, Helsby | SJ492760 | Larval | 1 |
| 28 May 2025 | Holly Court, Helsby | SJ492760 | Larval | 3 |
| 27 May 2025 | Holly Court, Helsby | SJ492760 | Larval | 1 |
| 18 May 2025 | Holly Court, Helsby | SJ492760 | Larval | 1 |
| 16 May 2025 | Holly Court, Helsby | SJ492760 | Larval | 1 |
| 11 May 2025 | Holly Court, Helsby | SJ492760 | Larval | 1 |
| 02 Apr 2025 | Helsby, Cheshire West and Chester | SJ48887570 | Adult | 1+ |
| 16 Mar 2025 | Manchester, England, United Kingdom | SJ73708714 | Larval | 1+ |
| 16 Mar 2025 | Manchester, England, United Kingdom | SJ73908701 | Larval | 1+ |
| 16 Mar 2025 | Manchester, England, United Kingdom | SJ73908701 | Larval | 1+ |
| 16 Mar 2025 | Manchester, England, United Kingdom | SJ73718714 | Larval | 1+ |
| 16 Mar 2025 | Manchester, England, United Kingdom | SJ73708714 | Larval | 1+ |
| 16 Mar 2025 | Manchester, England, United Kingdom | SJ73908701 | Pupal | 1+ |
| 10 Mar 2025 | Dunham Massey Park | SJ738870 | Case | 6 |
| 09 Jun 2024 | Helsby Cemetery | SJ498760 | Case | 12 |
| 15 May 2024 | Kent Close, Bromborough | SJ339815 | Case | 1 |
| 13 May 2024 | Hockenhull Platts | SJ476657 | Case | 3 |
| 14 Mar 2024 | Frodsham | SJ5177 | Case | 30 |
| 14 Mar 2024 | Frodsham | SJ5176 | Case | 3 |
| 13 Mar 2024 | Chester Road, Helsby | SJ48857554 | Case | 106 |
| 13 Mar 2024 | Chester Road, Helsby | SJ49227587 | Case | 429 |
| 13 Mar 2024 | Bates Lane, Helsby | SJ49547591 | Case | 2 |
| 13 Mar 2024 | Chester Road, Helsby | SJ49787602 | Case | 96 |
| 13 Mar 2024 | Chester Road, Helsby | SJ49237586 | Case | 28 |
| 27 Feb 2024 | Hockenhull Platts | SJ476657 | Case | 5 |
| 26 Feb 2024 | Bates Lane, Helsby | SJ49547591 | Case | 2 |
| 16 Feb 2024 | Chester Road, Helsby | SJ492758 | Case | 200 |
| 17 Jun 2023 | Hockenhull Platts | SJ476656 | Larval | 1 |
| 11 May 2023 | Kent Close, Bromborough | SJ339815 | Case | 1 |
| 08 May 2023 | Hockenhull Platts | SJ475656 | Case | 18 |
| 06 May 2023 | Hockenhull Platts | SJ475656 | Case | 6 |
| 19 Feb 2023 | Chester Road, Helsby | SJ492758 | Larval | 11 |
| 08 Feb 2023 | Chester Road, Helsby | SJ492758 | Larval | 200 |
| 16 May 2022 | Hockenhull Platts | SJ476656 | Case | 5 |
| 10 Apr 2022 | Lindow Common | SJ8381 | Larval | 20 |
| 15 Jan 2022 | Helsby | SJ4975 | Case | 200 |
| 20 Jan 2018 | Burton | SJ3074 | Case | 1 |
| 05 Mar 2004 | Burton | SJ3074 | Pupal | 1+ |
| 05 May 2001 | Burton | SJ3074 | Case | 1+ |
| 19 May 1984 | Burton | SJ3074 | Case | 1+ |
| 02 Oct 1978 | Burton | SJ3074 | Case | 1 |
| 06 Sept 1978 | Burton | SJ3074 | Larval | 9 |
| 21 Aug 1978 | Burton Point | SJ3073 | Case | 1 |
| 21 Aug 1978 | Burton | SJ3074 | Case | 1+ |
| 1953 | Burton | SJ3074 | Case | 5 |
| 01 Jun 1952 | Burton Saltmarsh | SJ3074 | Case | 5 |
| 18 Aug 1951 | Burton Saltmarsh | SJ3074 | Case | 1+ |
| 14 Jul 1951 | Burton | SJ3074 | Larval | 1+ |
| June 1951 | Burton | SJ3074 | Larval | 7 |