| Family: | Pieridae |
| Subfamily: | Coliadinae |
| Genus: | Gonepteryx |
| Species: | rhamni |
| Authority: | (Linnaeus, 1758) |
The Brimstone has spread in recent years. When this butterflies roost among foliage, the angular shape and the strong veining of their wings closely resemble leaves. There is a view that the word 'butterfly' originates from the yellow colour of male Brimstones.
| #Records | #Individuals | Earliest Record | Latest Record | |
|---|---|---|---|---|
| All Records | 150,026 | 355,154 | 01/01/2001 & 2022 | 29/12/1999 |
| 2023 | 11,323 | 27,488 | 2/1/2023 | 28/11/2023 |
| Site | Date | Quantity | |
|---|---|---|---|
| Earliest | Thorness Bay | 2/1/2023 | 1 |
| Latest | Poulner | 28/11/2023 | 1 |
| Max Count | Stockbridge Down | 25/7/2023 | 112 |
