

The abundance in each month is indicated as follows:
No records
Very occasional
Irregular
Uncommon
Off-peak, but not unusual
Off-peak, but not unusual
Main flight time| J | F | M | A | M | J | J | A | S | O | N | D | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adult | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Larval | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Freshwater (SZ38) | 1856 | - | IWG | Adult |
| Bembridge (SZ68) | 1856 | - | IWG | Adult |
| Parkhurst Forest (SZ49) | 1856 | - | IWG | Adult |
| Cowes (SZ59) | 1856 | - | IWG | Adult |
| St. Lawrence (SZ57) | 1910 | one | Major Scott | Adult |
| Freshwater (SZ38) | 07/08/1960 | one | Sam Knill-Jones | Adult |
| Freshwater (SZ38) | 20/08/1961 | one | Sam Knill-Jones | Adult |
| Freshwater (SZ38) | 22/07/1966 | one | Sam Knill-Jones | Adult |
| Newtown (SZ49) | 12/08/1966 | - | Sam Knill-Jones | Adult |
| Parkhurst Forest (SZ49) | 1980 | - | Peter J Cramp | Adult |
| Shanklin (SZ58) | 1980 | - | Peter J Cramp | Adult |
| Queen's Bower (SZ58) | 1980 | - | Peter J Cramp | Adult |
| Newtown Harbour (SZ49) | 1982 | - | Anon | - |
| Shanklin (SZ58) | 02/08/1982 | one | Jim M Cheverton | Adult |
| Shanklin (SZ58) | 11/08/1984 | - | Jim M Cheverton | Adult |
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Yew Hill NR (SU33) | 25/05/1985 | - | Wayne Borras | Adult |
| Chilling (SU50) | 06/08/1991 | one | Peter M Potts | Adult |
| Hurn (SZ19) | 02/06/2014 | two | Mike Jeffes | Adult |
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Monk Sherborne (SU65) | 1966 | - | BRC files | - |
| Old Basing (SU65) | 17/06/2005 | one | James Andrews | Adult |
| Pamber Forest (SU66) | 30/05/2008 | one | Graham Dennis | Adult |
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Mortimer West End (SU66) | 02/07/1993 | one | Graham Dennis | Adult |
| Mortimer West End (SU66) | 15/07/1993 | one | Graham Dennis | Adult |
| Mortimer West End (SU66) | 22/08/1993 | one | Graham Dennis | Adult |