

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 Down (SZ38) | 08/1889 | two | Anon | Adult |
| Freshwater Down (SZ38) | 1900 | - | Victoria County Hist of Hants & IW 1900 | Adult |
| Ventnor (SZ57) | 06/04/1928 | - | E G R Waters | Adult |
| Ventnor (SZ57) | 12/04/1928 | - | E G R Waters | Adult |
| Brighstone (SZ48) | 01/05/1969 | - | J M Chalmers-Hunt | Mine |
| Tennyson Down (SZ38) | 26/05/1973 | - | Richard J Dickson | Adult |
| Brading Down (SZ58) | 11/06/1981 | one | J R Langmaid, E C Pelham-Clinton, A M Emmet, D J L Agassiz | Adult |
| Shanklin (SZ58) | 20/08/1984 | one | Jim M Cheverton | Adult |
| Tennyson Down (SZ38) | 18/05/1992 | - | J R Langmaid, D H, P H, M J Sterling | Larval |
| Arreton Down (SZ58) | 06/06/2013 | two | J R Langmaid, S M Palmer | Adult |
| Afton Down (SZ38) | 22/05/2018 | - | SDBevan, RJHeckford | Larval |
| Mottistone Down (SZ48) | 23/05/2018 | - | SDBevan, RJHeckford | Larval |
| Mottistone Down (SZ48) | 25/05/2018 | - | SDBevan, RJHeckford | Larval |
| St. Lawrence (SZ57) | 05/07/2018 | six | Phil Barden | Mine |
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Stephens Castle Down (SU52) | 28/05/1978 | - | John R Langmaid | Larval |
| Beacon Hill NNR, Exton (SU62) | 15/05/1981 | - | John R Langmaid | Larval |
| Broughton Down (SU23) | 1986 | - | D H Sterling | - |
| Broughton Down (SU23) | 26/05/1986 | - | J R Langmaid, D H Sterling | Larval |
| Teg Down, Winchester (SU42) | 31/05/1986 | - | J R Langmaid, D H Sterling | Larval |
| Teg Down, Winchester (SU42) | 26/08/1991 | one | J R Langmaid, D H Sterling | Adult |
| Beacon Hill NNR, Exton (SU62) | 11/06/1994 | two | John R Langmaid | Adult |
| Teg Down, Winchester (SU42) | 25/10/2001 | - | J R Langmaid, B Elliott | Larval |
| Winchester (SU43) | 23/08/2003 | one | John Cloyne | Adult |
| South Holt Farm, NF (SU71) | 04/08/2022 | - | Tony Davis | Mine (vacated) |
| St Catherine's Hill NNR, Winchester (SU42) | 11/08/2023 | - | Sam Thomas | Mine |
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Leckford Estate (SU33) | 07/06/1980 | - | J R Langmaid, D H Sterling | Larval |
| Wheatham Hill (SU72) | 17/04/1981 | - | John R Langmaid | Larval |
| Leckford Estate (SU33) | 04/05/1981 | - | J R Langmaid, D H Sterling | Larval |
| Chilbolton Down (SU43) | 04/05/1981 | - | J R Langmaid, D H Sterling | Larval |
| Leckford Estate (SU33) | 09/07/1981 | - | J R Langmaid, D H Sterling | Mine |
| Leckford Estate (SU33) | 31/08/1981 | - | J R Langmaid, D H Sterling | Adult |
| Leckford Estate (SU33) | 25/04/1982 | - | J R Langmaid, D H Sterling | Mine |
| West Down, Chilbolton (SU33) | 05/05/1984 | - | J R Langmaid, D H Sterling | Mine |
| Leckford Estate (SU33) | 28/05/1984 | one | J R Langmaid, D H Sterling | Adult |
| Leckford Estate (SU33) | 07/07/1985 | - | J R Langmaid, D H, P H Sterling | Mine |
| Leckford Estate (SU33) | 29/06/1986 | one | J R Langmaid, D H Sterling, P H Sterling, M S Parsons | Adult |
| Leckford Estate (SU33) | 22/06/1989 | - | J R Langmaid, D H Sterling | Mine |
| Chilbolton Down (SU43) | 25/05/1992 | - | J R Langmaid, D H Sterling | Mine |
| Ashford Hangers LNR (SU72) | 21/05/1993 | - | J R Langmaid, P R Durnell | Larval |
| Abbotstone Down (SU53) | 27/07/1994 | - | J R Langmaid, R J B Hoare | Adult |
| Micheldever (SU54) | 07/04/1997 | one | J R Langmaid, I R Thirlwell | Larval |
| Leckford Estate (SU33) | 29/05/1997 | one | J R Langmaid, B Goater | Adult |
| Leckford Estate (SU33) | 16/05/2002 | - | J R Langmaid, B Elliott | Mine |
| Basingstoke (SU65) | 11/08/2005 | one | Mike Wall | Adult |
| Abbotstone Down (SU53) | 09/05/2011 | - | David G Green | Larval |
| Magdalen Hill Down NR (SU52) | 26/06/2011 | two | David G Green | Adult |
| Magdalen Hill Down NR (SU52) | 09/07/2011 | one | Jonty Denton | Adult |
| Magdalen Hill Down NR (SU52) | 31/08/2011 | one | J R Langmaid, M R, J E Young | Mine (vacated) |
| Faccombe (SU45) | 26/05/2013 | five | Susan A Clarke, David G Green | Adult |
| Faccombe (SU35) | 26/05/2013 | two | Susan A Clarke, David G Green | Adult |
| Anna Valley, Andover (SU34) | 24/07/2018 | one | Tim Norriss | Adult |
| Cholderton (SU24) | 14/08/2018 | two | Tim Norriss, Henry Edmunds | Adult |
| Anna Valley, Andover (SU34) | 23/08/2022 | one | Tim Norriss | Adult |