| Date | Site | OS Grid Ref | Stage | Quantity | Comment |
|---|---|---|---|---|---|
| 21 Aug 2004 | Twemlow | SJ7768 | Larval | 1+ | |
| 18 Aug 2004 | Ashton upon Mersey | SJ7793 | Larval | 7 | grid references provided SJ772935 Lane/Field below Carrington Spur-road (6) & SJ772931 Church Lane (extension) |
| 14 Aug 2004 | Delamere Forest | SJ5470 | Larval | 20 | SJ548700 Eddisbury Wood on ragwort |
| 14 Aug 2004 | Church Lawton | SJ8255 | Larval | 1+ | |
| 12 Aug 2004 | Prestbury | SJ9078 | Larval | 1+ | |
| 11 Aug 2004 | Bollin Valley, Hale | SJ7785 | Larval | 1+ | |
| 09 Aug 2004 | The Willows, Frodsham | SJ522777 | Adult | 1 | |
| 08 Aug 2004 | Marbury Country Park | SJ65147645 | Adult | 1 | |
| 04 Aug 2004 | Sale | SJ7992 | Larval | 1+ | grid reference provided SJ791924 Path from Oldfield Road to Bridgewater Canal |
| 01 Aug 2004 | Bollington | SJ9378 | Larval | 1 | Beeston Brow |
| 31 Jul 2004 | Alvanley | SJ5173 | Larval | 5 | SJ514737 Alvanley Cliff |
| 31 Jul 2004 | Linley Lane, Alsager | SJ819545 | Adult | 1 | |
| 30 Jul 2004 | Linley Lane, Alsager | SJ819545 | Adult | 1 | |
| 29 Jul 2004 | Delamere Forest | SJ5470 | Larval | 10 | SJ544702 on ragwort |
| 28 Jul 2004 | Warrington | SJ6086 | Larval | 1+ | Warrington Dock. Ship Canal path. SJ607863 |
| 24 Jul 2004 | Delamere Forest | SJ5470 | Larval | 20 | SJ544702 on ragwort |
| 24 Jul 2004 | Romiley | SJ9390 | Larval | 1+ | grid reference provided SJ936908 Romiley Baths, numerous on ragwort |
| 23 Jul 2004 | Latchford | SJ6186 | Larval | 1+ | East of Rangers cabin. Warrington Dock. Black Bear Park. SJ611863 |
| 23 Jul 2004 | Warrington | SJ6086 | Larval | 1+ | Warrington Dock. Ship Canal path. SJ607863 |
| 22 Jul 2004 | Woods Moor | SJ9087 | Larval | 1+ | |
| 21 Jul 2004 | Sale | SJ7892 | Larval | 2 | grid reference provided SJ789926 Dargle Road |
| 21 Jul 2004 | Linley Lane, Alsager | SJ819545 | Adult | 1 | |
| 20 Jul 2004 | Lindow Moss | SJ8281 | Larval | 1+ | SJ825815, numerous |
| 20 Jul 2004 | Eddisbury Hill, Delamere | SJ5569 | Larval | 100 | SJ555694 on ragwort |
| 20 Jul 2004 | Linley Lane, Alsager | SJ819545 | Adult | 1 | |
| 19 Jul 2004 | Winsford | SJ6365 | Adult | 1+ | grid reference provided SJ630652 Leslie Avenue |
| 18 Jul 2004 | Sale Water Park | SJ8092 | Larval | 1+ | grid reference provided SJ806924 Visitor-centre |
| 18 Jul 2004 | Sale | SJ7992 | Larval | 1+ | grid references provided SJ796926, SJ797928 World of Insects & Priory |
| 18 Jul 2004 | Goyt Meadows | SK0084 | Adult | 1 | |
| 14 Jul 2004 | Sale | SJ7892 | Larval | 1+ | grid reference provided SJ783924 Quakers' Garden |
| 14 Jul 2004 | Sale | SJ7992 | Larval | 1+ | grid references provided SJ791924 Path from Oldfield Road to Bridgewater Canal, SJ791925 Bridgewater Canal, SJ792926 by Dane Road Industrial Estate |
| 13 Jul 2004 | Sale | SJ7992 | Larval | 1+ | grid references provided SJ790929 Chester Road by Crossford Sports Field, SJ791927 Alley Behind Meadows Road, SJ791928 Alley behind Meadows Road/Linton Road |
| 13 Jul 2004 | Leasowe | SJ2791 | Adult | 1+ | abundant SJ270912 Ditton/Reed Lane Field |
| 12 Jul 2004 | Latchford | SJ6186 | Larval | 1+ | Warrington Dock. Black Bear Park. SJ611863 |
| 12 Jul 2004 | Warrington | SJ6086 | Larval | 1+ | Warrington Dock. Ship Canal path. SJ607863 |
| 12 Jul 2004 | Sale | SJ7892 | Larval | 1+ | grid reference provided SJ789921 Bridgewater Canal |
| 10 Jul 2004 | Gowy Meadows CWT | SJ4374 | Larval | 50 | grid reference provided SJ435743, Thornton Brook - 50 larvae on ragwort |
| 07 Jul 2004 | Hilbre Island | SJ1888 | Adult | 3 | |
| 06 Jul 2004 | Sale | SJ7992 | Larval | 1+ | grid references provided SJ791924, SJ791925 Bridgewater Canal |
| 01 Jul 2004 | Linley Lane, Alsager | SJ819545 | Adult | 2 | |
| 30 Jun 2004 | Thurstaston Common | SJ248846 | Adult | 1 | |
| 30 Jun 2004 | Hilbre Island | SJ1888 | Adult | 1 | |
| 30 Jun 2004 | Highfield Road, Birkenhead | SJ329862 | Adult | 1+ | |
| 29 Jun 2004 | Hilbre Island | SJ1888 | Adult | 1 | |
| 27 Jun 2004 | Stoak | SJ4272 | Larval | 1+ | locally frequent, Canalside Conservation Area SJ42347296 |
| 27 Jun 2004 | Sale | SJ7992 | Larval | 1+ | grid references provided SJ791927, SJ791928 Alley behind Meadows Road/Linton Road |
| 25 Jun 2004 | Wornish Nook | SJ840659 | Adult | 1 | |
| 25 Jun 2004 | Lymm | SJ6684 | Adult | 1 | Adjacent to Mwat services at SJ669848 |
| 22 Jun 2004 | Hilbre Island | SJ1888 | Adult | 4 | |
| 19 Jun 2004 | Stoak | SJ4272 | Larval | 1+ | frequent on Ragwort, Canalside Conservation Area SJ42347296 |
| 19 Jun 2004 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 18 Jun 2004 | Stoak | SJ4272 | Larval | 1+ | occasional on Common Ragwort, Canalside Conservation Area SJ42347296 |
| 17 Jun 2004 | Linley Lane, Alsager | SJ819545 | Adult | 2 | |
| 16 Jun 2004 | Eddisbury Hill, Delamere | SJ5569 | Adult | 1 | SJ555694 |
| 16 Jun 2004 | Rock Ferry | SJ3386 | Adult | 1 | Manor Lane Allotments SJ333865 |
| 16 Jun 2004 | Handforth | SJ8783 | Adult | 1 | |
| 16 Jun 2004 | Handforth | SJ8683 | Adult | 12 | |
| 15 Jun 2004 | Deansfield Way, Elton | SJ453753 | Adult | 1 | |
| 15 Jun 2004 | Marbury Country Park | SJ65147645 | Adult | 1 | |
| 15 Jun 2004 | Keswick Avenue, Gatley | SJ848875 | Adult | 1 | |
| 14 Jun 2004 | Hooksbank Wood, Styal | SJ8182 | Adult | 1 | |
| 13 Jun 2004 | Eddisbury Hill, Delamere | SJ5569 | Adult | 1 | SJ551690 Roman Road, flushed |
| 13 Jun 2004 | Marbury Country Park | SJ65147645 | Adult | 1 | |
| 12 Jun 2004 | Hatchmere | SJ5572 | Adult | 1 | SJ551721 flushed |
| 11 Jun 2004 | Hazel Grove | SJ9287 | Adult | 1 | |
| 09 Jun 2004 | Westover, Romiley | SJ931900 | Adult | 1 | |
| 08 Jun 2004 | Alvanley | SJ5173 | Adult | 6 | SJ513738 Alvanley Cliff |
| 08 Jun 2004 | Chester | SJ4167 | Adult | 1 | grid reference provided SJ413670, Station |
| 08 Jun 2004 | Hilbre Island | SJ1888 | Adult | 2 | |
| 08 Jun 2004 | Westover, Romiley | SJ931900 | Adult | 1 | |
| 08 Jun 2004 | Turncroft Lane, Stockport | SJ907902 | Adult | 1 | |
| 08 Jun 2004 | Woods Moor | SJ9187 | Adult | 1 | |
| 08 Jun 2004 | The Willows, Frodsham | SJ522777 | Adult | 1 | |
| 08 Jun 2004 | Clamhunger Lane, Mere | SJ736813 | Adult | 1 | |
| 07 Jun 2004 | Handforth | SJ8683 | Adult | 1 | |
| 07 Jun 2004 | Moore | SJ5784 | Adult | 2 | Moore Meadows |
| 07 Jun 2004 | Hilbre Island | SJ1888 | Adult | 5 | |
| 07 Jun 2004 | Clamhunger Lane, Mere | SJ736813 | Adult | 1 | |
| 07 Jun 2004 | Sale | SJ7992 | Adult | 1 | grid reference provided SJ791926, 5 Waverley Road |
| 07 Jun 2004 | Linley Lane, Alsager | SJ819545 | Adult | 1 | |
| 06 Jun 2004 | Wheeldon Copse, Alvanley | SJ5173 | Adult | 1 | |
| 06 Jun 2004 | Alvanley | SJ5073 | Adult | 1 | SJ509731 |
| 06 Jun 2004 | Sale | SJ7992 | Adult | 2 | grid references provided SJ795927, SJ796926 World of Insects |
| 06 Jun 2004 | Hilbre Island | SJ1888 | Adult | 3 | |
| 06 Jun 2004 | Dee Estuary:Burton Point Farm:compt8 (Peers Wood) | SJ305741 | Adult | 1 | Footpath by Field |
| 06 Jun 2004 | Dee Estuary:Burton Point Farm | SJ304739 | Adult | 1 | Moth trap in front garden of cottage. |
| 06 Jun 2004 | Bramhalls Park, Anderton | SJ645754 | Adult | 1 | |
| 06 Jun 2004 | Clamhunger Lane, Mere | SJ736813 | Adult | 1 | |
| 05 Jun 2004 | Handforth | SJ8783 | Adult | 1 | |
| 05 Jun 2004 | Sale | SJ7992 | Adult | 1 | grid reference provided SJ791923 Waste land by Britannia Road |
| 05 Jun 2004 | Sale | SJ7991 | Adult | 2 | grid reference provided SJ792916 Former Tennis Court, Sale Grammar School |
| 05 Jun 2004 | Romiley | SJ9390 | Adult | 1 | grid reference provided SJ936908 Romiley Baths |
| 04 Jun 2004 | Ringway | SJ8185 | Adult | 1 | |
| 04 Jun 2004 | Hilbre Island | SJ1888 | Adult | 4 | |
| 04 Jun 2004 | Dudley Road, Sale | SJ791926 | Adult | 2 | |
| 02 Jun 2004 | Eddisbury Hill, Delamere | SJ5569 | Adult | 1 | SJ555694 |
| 02 Jun 2004 | Keswick Avenue, Bromborough | SJ344798 | Adult | 1 | |
| 02 Jun 2004 | Hilbre Island | SJ1888 | Adult | 2 | |
| 02 Jun 2004 | Woods Moor | SJ9187 | Adult | 1 | |
| 02 Jun 2004 | Mirrlees, Woods Moor | SJ9186 | Adult | 2 |