| Family: | Erebidae |
| Subfamily: | Toxocampinae |
| Genus: | Eublemma |
| Species: | ostrina |
| Authority: | (Hübner, [1808]) |


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 |
|---|---|---|---|---|
| Bembridge (SZ68) | 14/06/1858 | - | IWG | Adult |
| Bembridge (SZ68) | 11/08/1858 | - | IWG | Adult |
| Bembridge (SZ68) | 24/08/1858 | - | IWG | Adult |
| Freshwater (SZ38) | 1880 | - | Dale | Adult |
| Chale Green (SZ47) | 20/05/1992 | three | Simon Colenutt | Adult |
| Freshwater (SZ38) | 26/08/1992 | one | Sam Knill-Jones | Adult |
| Bonchurch (SZ57) | 18/06/2006 | one | James Halsey | Adult |
| Atherfield (SZ48) | 14/11/2014 | one | Dave Dana | Adult |
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Sandy Down (SZ39) | 30/10/1952 | one | P J M Robinson | Adult |
| Chilling (SU50) | 15/05/1992 | one | Peter M Potts | Adult |
| Bishops Waltham (SU51) | 08/08/1992 | one | J Fisher | Adult |
| Beaulieu (SU30) | 15/10/1995 | one | Brian Ivon-Jones | Adult |
| Knatchbull Close (SU32) | 18/10/2017 | one | Simon Boswell | Adult |
| Dibden Purlieu (SU40) | 12/07/2019 | one | Robert A Chapman | Adult |
| Bransgore (SZ19) | 15/07/2022 | one | Simon Curson | Adult |
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Micheldever (SU54) | 30/06/1957 | one | CH Dixon | Adult |
| Martyr Worthy (SU53) | 15/05/1969 | one | D W H Ffennell | Adult |
| Martyr Worthy (SU53) | 23/05/1969 | one | D W H Ffennell | Adult |
| Selborne (SU73) | 01/10/1999 | one | Alasdair Aston | Adult |