| Date | Site | OS Grid Ref | Stage | Quantity | Comment |
|---|---|---|---|---|---|
| 01 Jun 1981 | Whitegate Way, Winsford | SJ615679 | Larval | 1 | imago emerged 30/6/1981 |
| 28 Jul 1976 | Bickerton/Larkton Hill | SJ4952 | Adult | 1 | Genitalia checked. Specimen in Mike Hull's collection. Grid reference not provided |
| 1964 | Rostherne Mere | SJ7483 | Larval | 4 | Shaw Green, larvae plentiful, emerged August 1964, Michaelis (1965) |
| 30 Jul 1963 | Macclesfield | SJ9070 | Adult | 1 | grid reference not provided |
| 1963 | Rostherne Mere | SJ7484 | Adult | 1+ | Harpers Bank, occasional |
| 08 Aug 1962 | Macclesfield | SJ9070 | Adult | 1 | grid reference not provided |
| 1951 | Taxal | SK0079 | Adult | 1+ | grid reference unknown. |
| 22 Jun 1947 | Lyme Park | SJ9684 | Adult | 1+ | grid reference unknown. |
| 1915 | Delamere | SJ5570 | Larval | 1 | grid reference not provided, emerged 20/7, 10/8/1915 |
| 14 Jul 1905 | Delamere | SJ5570 | Adult | 1 | grid reference not given, county status: common and variable, the typical form is rare, var. piceana is common. Mansbridge (1940) |