| Family: | Geometridae |
| Subfamily: | Ennominae |
| Genus: | Alcis |
| Species: | jubata |
| Authority: | (Thunberg, 1788) |


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 |
|---|---|---|---|---|
| Brockenhurst (SU20) | 07/1892 | - | Adye | Adult |
| Lyndhurst (SU30) | 1900 | - | Robertson | Larval |
| Chandlers Ford (SU42) | 1900 | - | R A Jackson | Adult |
| Set Thorns Inclosure, NF (SZ29) | 1920 | - | A D Torlesse | - |
| Holmsley (SU20) | 8959 | - | Scarsdale C S Brown | Adult |
| New Milton (SZ29) | 1926 | - | Jones | Adult |
| Brockenhurst (SU20) | 12/07/1931 | - | Baron C G de Worms | Adult |
| Lyndhurst (SU30) | 24/07/1933 | - | Baron C G de Worms | Larval |
| Fritham (SU21) | 1940 | - | D W H Ffennell | Adult |
| Burley, NF (SU20) | 1940 | - | C W Mackworth-Praed | Adult |
| Pondhead Inclosure (SU30) | 25/07/1947 | - | Baron C G de Worms | Adult |
| Minstead (SU21) | 1958 | - | L W Siggs | Adult |
| Aldridgehill Inclosure (SU20) | 26/07/1958 | two | B Goater & RM Mere | Adult |
| Site | Date | Quantity | Recorder | Stage |
|---|---|---|---|---|
| Woolmer Forest (SU73) | 1900 | - | W Fassnidge | Adult |
| Whitehill (SU73) | 1951 | three | D Wright | Adult |