| Date | Site | OS Grid Ref | Stage | Quantity |
|---|---|---|---|---|
| 29 Oct 2023 | Woodchurch | SJ2886 | Mine | 1+ |
| 16 Oct 2023 | Hoylake | SJ2188 | Mine | 1+ |
| 06 Oct 2023 | Neston | SJ2977 | Mine | 1+ |
| 25 Sep 2023 | Frodsham Marsh | SJ4877 | Mine | 1+ |
| 25 Sep 2023 | Frodsham Marsh | SJ4977 | Mine | 1+ |
| 27 Apr 2023 | Rudheath | SJ6872 | Larval | 1 |
| 28 Oct 2022 | Elton Green | SJ4574 | Case | 1 |
| 25 Oct 2022 | Thornton-le-Moors | SJ4474 | Case | 1 |
| 15 Oct 2022 | Frodsham Marsh | SJ5077 | Mine | 1+ |
| 11 Oct 2022 | Stockport | SJ8990 | Larval | 1 |
| 10 Oct 2022 | Great Barrow | SJ4768 | Mine | 1+ |
| 09 Oct 2022 | Hapsford | SJ4774 | Mine | 1+ |
| 08 Oct 2022 | Frodsham | SJ5176 | Mine | 1+ |
| 24 Sep 2022 | Helsby | SJ5076 | Mine | 1+ |
| 23 Sep 2022 | Shotwick | SJ3372 | Mine | 1+ |
| 20 Sep 2022 | Lea-by-Backford | SJ3871 | Mine | 1+ |
| 15 Sep 2022 | Countess of Chester Country Park | SJ3969 | Mine | 1+ |
| 14 Sep 2022 | Upton-by-Chester | SJ4069 | Mine | 1+ |
| 05 Sep 2022 | Neston | SJ2875 | Mine | 1+ |
| 01 Sep 2022 | Little Sutton | SJ3676 | Mine | 1+ |
| 28 Aug 2022 | Puddington | SJ3273 | Mine | 1+ |
| 21 Nov 2021 | Ness | SJ3075 | Larval feeding signs | 1+ |
| 07 Nov 2021 | Little Stanney | SJ4074 | Larval feeding signs | 1+ |
| 28 Oct 2021 | Ellesmere Port | SJ3779 | Mine | 1+ |
| 14 Oct 2021 | Thornton Green | SJ4573 | Case | 2 |
| 28 Feb 2021 | Ince Marsh | SJ4776 | Case | 1 |
| 28 Feb 2021 | Frodsham Marsh | SJ4877 | Case | 1 |
| 10 Dec 2020 | Ince Marsh | SJ4676 | Emergence holes | 1 |
| 10 Dec 2020 | Ince Park | SJ4576 | Emergence holes | 1 |
| 29 Nov 2020 | Thornton Green | SJ4473 | Emergence holes | 1 |
| 23 Nov 2020 | Little Stanney | SJ4074 | Larval feeding signs | 1+ |
| 22 Nov 2020 | Ellesmere Port | SJ3877 | Larval feeding signs | 1+ |
| 22 Oct 2020 | Thornton Green | SJ4473 | Case | 5 |
| 21 Oct 2020 | Stretton | SJ6282 | Larval feeding signs | 1+ |
| 21 Oct 2020 | Whitley Reed | SJ6482 | Larval feeding signs | 1+ |
| 11 Oct 2020 | Ellesmere Port | SJ4276 | Larval feeding signs | 1+ |
| 11 Oct 2020 | Ellesmere Port | SJ4176 | Larval feeding signs | 1+ |
| 08 Oct 2020 | Port Sunlight | SJ3484 | Larval feeding signs | 1+ |
| 08 Oct 2020 | Port Sunlight River Park | SJ3485 | Larval feeding signs | 1+ |
| 06 Oct 2020 | Ellesmere Port | SJ4175 | Larval feeding signs | 1+ |
| 06 Oct 2020 | Stanlow | SJ4275 | Larval feeding signs | 1+ |
| 04 Oct 2020 | Stanlow | SJ4274 | Larval feeding signs | 1+ |
| 01 Oct 2020 | Ellesmere Port | SJ4077 | Larval feeding signs | 1+ |
| 01 Oct 2020 | Ellesmere Port | SJ4076 | Larval feeding signs | 1+ |
| 24 Sep 2020 | Ellesmere Port | SJ3977 | Larval feeding signs | 1+ |
| 10 Sep 2020 | Blakenhall | SJ7447 | Larval | 1+ |
| 17 Oct 2019 | Thornton-le-Moors | SJ4474 | Larval | 5 |
| 17 Oct 2019 | Wallasey Dunes | SJ2792 | Larval | 1+ |
| 14 Oct 2019 | Meols | SJ2290 | Larval | 1+ |
| 08 Sep 2019 | Heatley | SJ7088 | Larval | 1+ |
| 02 Nov 2017 | Stanlow | SJ4274 | Larval | 1 |
| 25 Oct 2017 | Caughall Bridge | SJ4171 | Larval | 1 |
| 18 Oct 2017 | Parkgate | SJ2778 | Larval | 2 |
| 15 Oct 2017 | Blakenhall | SJ7348 | Larval | 1+ |
| 12 Oct 2017 | Denhall Lane, Burton | SJ2975 | Larval | 1 |
| 04 Oct 2017 | Little Stanney | SJ4073 | Larval | 1 |
| 25 Jul 2017 | Carleton Road, Higher Poynton | SJ944838 | Adult | 1 |
| 13 Nov 2016 | Stanlow | SJ4274 | Larval | 10 |
| 04 Nov 2015 | Rivacre Valley Local Nature Reserve | SJ3877 | Larval | 1+ |
| 25 Oct 2015 | Stanlow | SJ4274 | Larval | 1 |
| 12 Oct 2014 | Elton Green | SJ4574 | Larval | 20 |
| 12 Oct 2014 | Stanlow | SJ4475 | Larval | 20 |
| 05 Oct 2014 | Audlem | SJ6542 | Larval | 1+ |
| 21 Sep 2014 | Bidston | SJ2890 | Larval | 1+ |
| 21 Sep 2014 | Bidston | SJ2790 | Larval | 1+ |
| 07 Nov 2013 | Arclid | SJ7960 | Larval | 1+ |
| 03 Nov 2013 | Elton | SJ4575 | Larval feeding signs | 1 |
| 19 Oct 2013 | Brereton | SJ7565 | Larval | 1+ |
| 19 Oct 2013 | Brereton | SJ7465 | Larval | 1+ |
| 15 Oct 2013 | Twemlow Green | SJ7868 | Larval | 1+ |
| 06 Oct 2013 | Sandbach | SJ7560 | Larval | 1+ |
| 19 Sep 2013 | Puddington | SJ3273 | Larval | 1+ |
| 18 Sep 2013 | Cranage | SJ7368 | Larval | 1+ |
| 14 Sep 2013 | Elton Green | SJ4574 | Larval tube | 1 |
| 03 Nov 2012 | Stanlow | SJ4274 | Larval | 5 |
| 23 Sep 2012 | Hollowood Farm | SJ7080 | Larval | 1+ |
| 29 Oct 2011 | Stanlow | SJ4275 | Larval | 2 |
| 31 Oct 2010 | Thornton-le-Moors | SJ4474 | Larval | 1 |
| 30 Oct 2010 | Stanlow | SJ4274 | Larval | 1 |
| 24 Oct 2010 | Thornton-le-Moors | SJ4474 | Larval | 1 |
| 26 Sep 2010 | Thornton-le-Moors | SJ4474 | Larval | 1 |
| 14 Nov 2009 | Stoak | SJ4273 | Larval | 5 |
| 11 Oct 2009 | Gowy Meadows CWT | SJ4374 | Larval | 2 |
| 27 Sep 2009 | Thornton Green | SJ4473 | Larval | 20 |
| 16 Sep 2006 | Chester | SJ4067 | Larval | 1+ |
| 09 Sep 2006 | Farndon | SJ4154 | Larval | 1+ |
| 04 May 2006 | Guilden Sutton | SJ4567 | Larval feeding signs | 1+ |
| 27 Apr 2006 | Dunham-on-the-Hill | SJ4771 | Larval feeding signs | 1+ |
| 13 Nov 2005 | Little Stanney | SJ4174 | Larval | 5 |
| 13 Nov 2005 | Stanlow | SJ4274 | Larval | 1 |
| 28 Oct 2005 | Stanlow | SJ4275 | Larval | 10 |
| 22 Oct 2005 | Ince | SJ4576 | Larval | 1 |
| 09 Oct 2005 | Pulford | SJ3659 | Larval | 1+ |
| 02 Oct 2005 | Marston | SJ6775 | Larval | 1+ |
| 29 Sep 2005 | Frodsham Marsh | SJ5078 | Larval | 1 |
| 17 Sep 2005 | Elton Green | SJ4574 | Larval | 1 |
| 20 Nov 2004 | Ince | SJ4576 | Larval | 15 |
| 20 Nov 2004 | Stanlow | SJ4475 | Larval | 20 |
| 26 Sep 2004 | Marshfield Bank | SJ6755 | Larval | 1+ |
| 18 Sep 2004 | Hockenhull | SJ4865 | Larval | 1+ |