| Date | Site | OS Grid Ref | Stage | Quantity | Comment |
|---|---|---|---|---|---|
| 29 Nov 1998 | Hooksbank Wood, Styal | SJ8182 | Larval | 1+ | SJ810828 |
| 01 Nov 1998 | Holford Moss | SJ7174 | Larval | 1+ | SJ710748 |
| 18 Oct 1998 | Moore | SJ5884 | Larval | 1+ | Moore Lane, a few cases on Achillea millefolium |
| 18 Oct 1998 | Lapwing Lane, Moore | SJ5785 | Larval | 1+ | a few on Achillea millefolium |
| 08 Oct 1998 | Wallasey Dunes | SJ2792 | Larval | 1+ | cases |
| 08 Oct 1998 | Meols | SJ2290 | Larval | 1+ | Roman Road. cases on Achillea millefolium |
| 23 Sep 1998 | Wharton Common | SJ6567 | Larval | 1+ | cases common on Yarrow |
| 23 Sep 1998 | Newchurch Common | SJ6068 | Larval | 1+ | SJ605686 common on Yarrow |
| 20 Sep 1998 | Parkgate | SJ2779 | Larval | 1+ | |
| 17 Sep 1998 | Warrington Common | SJ7469 | Larval | 1+ | SJ742693 |
| 17 Sep 1998 | Lower Wych | SJ4844 | Larval | 1+ | cases on Achillea millefolium |
| 12 Sep 1998 | Wirral Way, Neston | SJ2877 | Larval | 1+ | |
| 09 Sep 1998 | Leasowe | SJ2491 | Larval | 1+ | a few on Achillea millefolium |
| 29 Aug 1998 | Lea Forge | SJ7048 | Larval | 1+ | frequent on Yarrow |
| 16 Nov 1997 | Thurstaston | SJ2483 | Larval | 1+ | Thurlaston Country Park SJ240830 |
| 19 Oct 1997 | Nessholt | SJ2975 | Larval | 1+ | SJ291759 |
| 09 Oct 1997 | Handforth | SJ8682 | Larval | 1+ | scarce |
| 05 Oct 1997 | Sound Common | SJ6248 | Larval | 1+ | |
| 03 Oct 1997 | Swanley | SJ6152 | Larval | 1+ | SJ618525 |
| 28 Sep 1997 | Lower Peover | SJ7474 | Larval | 1+ | on yarrow |
| 27 Sep 1997 | Weston | SJ7351 | Larval | 1+ | |
| 27 Sep 1997 | Blakenhall | SJ7247 | Larval | 1+ | |
| 24 Sep 1997 | Newton | SJ5159 | Larval | 1+ | |
| 21 Sep 1997 | Nick i th' Hill, Astbury | SJ8759 | Larval | 1+ | |
| 21 Sep 1997 | Congleton Edge | SJ8658 | Larval | 1+ | |
| 15 Sep 1997 | Ince | SJ4576 | Larval | 1+ | |
| 14 Sep 1997 | Whitegate Station | SJ6168 | Larval | 1+ | common on yarrow |
| 14 Sep 1997 | Whitegate Station | SJ6168 | Larval | 1 | on yarrow, emerged 3/9/1998. Specimen in recorders collection, grid reference not provided |
| 14 Sep 1997 | Newchurch Common | SJ6068 | Larval | 1+ | LCES Newsletter 29 |
| 10 Sep 1997 | Eastham Ferry | SJ3681 | Larval | 1+ | |
| 23 Oct 1996 | White Moss | SJ7755 | Larval | 1+ | on Yarrow seedheads |
| 1996 | Cheshire | Unknown | Not recorded | 1+ | date unknown. Record supplied by Hugh Michaelis (pers. comm. A M Emmet, 1998) |