Which butterflies emerged when?
These are the earliest dates on which each species of adult butterfly was reported to the website. Ordered by date of first sighting.
| Species | 2022 | 2023 |
|---|---|---|
| Brimstone | 2022-01-12 | 2023-01-02 |
| Clouded Yellow | 2022-04-13 | 2023-01-02 |
| Painted Lady | 2022-03-15 | 2023-01-02 |
| Peacock | 2022-01-11 | 2023-01-02 |
| Red Admiral | 2022-01-01 | 2023-01-02 |
| Small Tortoiseshell | 2022-01-30 | 2023-01-03 |
| Speckled Wood | 2022-03-04 | 2023-01-19 |
| Comma | 2022-01-12 | 2023-03-14 |
| Small White | 2022-03-12 | 2023-03-14 |
| Small Copper | 2022-04-03 | 2023-03-25 |
| Orange Tip | 2022-03-19 | 2023-03-27 |
| Large White | 2022-03-22 | 2023-04-03 |
| Large Tortoiseshell | 2022-03-19 | 2023-04-04 |
| Holly Blue | 2022-03-22 | 2023-04-07 |
| Wall Brown | 2022-04-15 | 2023-04-07 |
| Green-veined White | 2022-03-14 | 2023-04-08 |
| Green Hairstreak | 2022-04-16 | 2023-04-23 |
| Grizzled Skipper | 2022-04-15 | 2023-04-29 |
| Dingy Skipper | 2022-04-15 | 2023-05-01 |
| Brown Argus | 2022-04-23 | 2023-05-03 |
| Common Blue | 2022-04-25 | 2023-05-07 |
| Duke of Burgundy | 2022-04-26 | 2023-05-07 |
| Small Heath | 2022-04-26 | 2023-05-07 |
| Small Blue | 2022-04-22 | 2023-05-10 |
| Marsh Fritillary | 2022-05-05 | 2023-05-12 |
| Adonis Blue | 2022-04-30 | 2023-05-13 |
| Lulworth Skipper | 2022-05-14 | 2023-05-13 |
| Wood White | 2022-04-26 | 2023-05-17 |
| Glanville Fritillary | 2022-05-13 | 2023-05-20 |
| Large Skipper | 2022-05-17 | 2023-05-25 |
| Meadow Brown | 2022-05-24 | 2023-05-29 |
| Small Skipper | 2022-06-08 | 2023-06-02 |
| Dark Green Fritillary | 2022-06-01 | 2023-06-05 |
| Silver-studded Blue | 2022-05-29 | 2023-06-07 |
| Marbled White | 2022-06-01 | 2023-06-08 |
| White Admiral | 2022-06-15 | 2023-06-10 |
| White-letter Hairstreak | 2022-06-15 | 2023-06-12 |
| Purple Hairstreak | 2022-06-15 | 2023-06-14 |
| Essex Skipper | 2022-06-20 | 2023-06-15 |
| Silver-washed Fritillary | 2022-06-14 | 2023-06-17 |
| Gatekeeper | 2022-06-20 | 2023-06-18 |
| Ringlet | 2022-06-10 | 2023-06-18 |
| Grayling | 2022-06-26 | 2023-06-19 |
| Purple Emperor | 2022-06-28 | 2023-06-28 |
| Chalkhill Blue | 2022-06-27 | 2023-07-10 |
| Brown Hairstreak | 2022-07-18 | 2023-07-16 |
| Camberwell Beauty | - | 2023-07-18 |
| Silver-spotted Skipper | 2022-08-01 | 2023-08-10 |
| Long-tailed Blue | 2022-09-10 | 2023-09-15 |
| Monarch | - | 2023-10-14 |
| Small Pearl-bordered Fritillary | 2022-06-11 | - |
| Swallowtail | 2022-05-22 | - |
