| Date | Site | OS Grid Ref | Stage | Quantity | Comment |
|---|---|---|---|---|---|
| 05 Jun 2018 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 04 Oct 2017 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 17 Jun 2017 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 27 May 2017 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 26 May 2017 | Deansfield Way, Elton | SJ453753 | Adult | 5 | |
| 24 May 2017 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 22 Apr 2017 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 13 Jul 2013 | Deansfield Way, Elton | SJ453753 | Adult | 3 | |
| 24 Aug 2012 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 01 Aug 2010 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 10 Aug 2009 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 30 Jul 2008 | Highfield Road, Birkenhead | SJ329862 | Adult | 1 | |
| 10 Jun 2008 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 30 May 2008 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 22 May 2008 | Deansfield Way, Elton | SJ453753 | Adult | 2 | |
| 13 May 2008 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 11 May 2008 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 05 Aug 2007 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 03 Aug 2007 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 09 Jun 2007 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 24 May 2007 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 2007 | Partington | SJ7292 | Gall | 1+ | |
| 23 Sep 2006 | Weaver Locks, Barnton | SJ6275 | Larval | 1+ | rosebay willowherb. Gall collected. Adult emerged on 28/9/06 |
| 11 Aug 2006 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 03 Oct 2004 | Marbury Country Park | SJ6576 | Larval | 1+ | Rosebay Willowherb |
| 28 Jul 2002 | Bramhalls Park, Anderton | SJ645754 | Larval | 1+ | Gall in Rosebay photographed and sent to John Langmaid for confirmation |
| 20 Jul 1998 | Marshall's Arm, Hartford | SJ6572 | Gall | 1 | Area 3, SJ651725 |