| Date | Site | OS Grid Ref | Stage | Quantity | Comment |
|---|---|---|---|---|---|
| 28 Aug 1999 | Bickerton/Larkton Hill | SJ4953 | Larval | 1+ | |
| 22 Aug 1999 | Dane Valley, Wildboarclough | SK0066 | Larval | 1+ | scarce |
| 15 Aug 1999 | Great Reddish Wood, Bramhall | SJ9085 | Larval | 1+ | |
| 14 Aug 1999 | Jacksons Brickworks, Higher Poynton | SJ9484 | Larval | 1+ | Loop Line, few on Betula |
| 01 Aug 1999 | Walker Brow, Kettleshulme | SK0080 | Larval | 1+ | few on Betula |
| 01 Aug 1999 | Walker Brow, Kettleshulme | SJ9980 | Larval | 1+ | few on Betula |
| 31 Jul 1999 | Cranberry Moss, Eaton | SJ8664 | Larval | 1+ | scarce |
| 13 Sep 1998 | Windmill Wood, Alderley Edge | SJ8577 | Larval | 1+ | |
| 11 Oct 1997 | Lindow Common | SJ8381 | Larval | 1+ | on Betula |