The data shown in the table below is based on verified observations of butterflies in 2026 submitted via this website.
To view first and last sightings from a different year, select year to view from the dropdown below and click the 'View Data' button.
Please note: Online data collection via this website began in January 2021.
INSTRUCTIONS Click on a column title to sort by that column.
| Name | Genus | Species | First | First Record by | Last/latest | Last Record by | # Days |
|---|---|---|---|---|---|---|---|
| Southern Festoon | Zerynthia | polyxena | 07/03/2026 | Jane Barry | 26/04/2026 | Ken Elsom | 51 days |
| Scarce Swallowtail | Iphiclides | podalirius | 25/03/2026 | Anne Sordinas | 06/09/2026 | Giannis Gasteratos | 166 days |
| Southern Swallowtail | Papilio | alexanor | 25/03/2026 | Giannis Gasteratos | 01/06/2026 | Dave Cook | 69 days |
| Swallowtail | Papilio | machaon | 02/03/2026 | Anne Sordinas | 17/10/2026 | Giannis Gasteratos | 230 days |
| Grizzled Skipper | Pyrgus | malvae | 13/04/2026 | Jane Barry | 10/05/2026 | Jane Barry | 28 days |
| Oberthür's Grizzled Skipper | Pyrgus | armoricanus | 12/05/2026 | David Shearan | 30/09/2026 | Vic Hitchings | 142 days |
| Hungarian Skipper | Spialia | orbifer | 16/04/2026 | Jane Barry | 21/05/2026 | Andy Martin | 36 days |
| Southern Sage Skipper | Muschampia | alta | 04/07/2026 | Tony Gould | 19/10/2026 | Chris Little | 108 days |
| Mallow Skipper | Carcharodus | alceae | 25/02/2026 | Jane Barry | 22/09/2026 | Vic Hitchings | 210 days |
| Oriental Marbled Skipper | Muschampia | orientalis | 11/04/2026 | Vic Hitchings | 30/09/2026 | Vic Hitchings | 173 days |
| Inky Skipper | Erynnis | marloyi | 26/04/2026 | Ken Elsom | 26/04/2026 | Ken Elsom | 1 days |
| Lulworth Skipper | Thymelicus | acteon | 30/04/2026 | Tony Gould | 01/06/2026 | Giannis Gasteratos | 33 days |
| Small Skipper | Thymelicus | sylvestris | 01/05/2026 | David Shearan | 04/06/2026 | Dr. Felix Brand | 35 days |
| Large Skipper | Ochlodes | sylvanus | 01/05/2026 | David Shearan | 30/09/2026 | Vic Hitchings | 153 days |
| Pygmy Skipper | Gegenes | pumilio | 30/04/2026 | Tony Gould | 05/06/2026 | Dave Cook | 37 days |
| Mediterranean Skipper | Gegenes | nostrodamus | 18/05/2026 | Jane Barry | 30/09/2026 | Vic Hitchings | 136 days |
| Millet Skipper | Pelopidas | thrax | 13/04/2026 | Vic Hitchings | 03/10/2026 | Giannis Gasteratos | 174 days |
| Wood White | Leptidea | sinapis | 25/02/2026 | Jane Barry | 21/09/2026 | Vic Hitchings | 209 days |
| Brimstone | Gonepteryx | rhamni | 08/02/2026 | Jane Barry | 11/05/2026 | David Shearan | 93 days |
| Cleopatra | Gonepteryx | cleopatra | 14/01/2026 | Anne Sordinas | 19/10/2026 | Chris Little | 279 days |
| Clouded Yellow | Colias | crocea | 01/01/2026 | Jane Barry | 17/10/2026 | Giannis Gasteratos | 290 days |
| Orange-tip | Anthocharis | cardamines | 01/03/2026 | Jane Barry | 13/05/2026 | David Shearan | 74 days |
| Eastern Orange Tip | Anthocharis | damone | 12/03/2026 | Anne Sordinas | 04/05/2026 | David Shearan | 54 days |
| Eastern Dappled White | Euchloe | ausonia | 08/02/2026 | Jane Barry | 23/05/2026 | Dr. Felix Brand | 105 days |
| Black-veined white | Aporia | crataegi | 27/04/2026 | Ken Elsom | 29/04/2026 | Ken Elsom | 3 days |
| Eastern Bath White | Pontia | edusa | 13/04/2026 | Vic Hitchings | 21/09/2026 | Vic Hitchings | 162 days |
| Large White | Pieris | brassicae | 09/02/2026 | Jane Barry | 19/09/2026 | Vic Hitchings | 223 days |
| Krueper's Small White | Pieris | krueperi | 01/06/2026 | Dave Cook | 01/06/2026 | Dave Cook | 1 days |
| Small White | Pieris | rapae | 14/01/2026 | Jane Barry | 19/10/2026 | Chris Little | 279 days |
| Southern Small White | Pieris | mannii | 04/04/2026 | Oscar Lawrence | 30/05/2026 | Dr. Felix Brand | 57 days |
| Green-veined White | Pieris | napi | - |   | - |   | |
| Small Copper | Lycaena | phlaeas | 01/01/2026 | Jane Barry | 30/09/2026 | Vic Hitchings | 273 days |
| Grecian Copper | Lycaena | ottomana | 10/04/2026 | Jane Barry | 20/05/2026 | Dr. Felix Brand | 41 days |
| White-letter Hairstreak | Satyrium | w | 03/05/2026 | David Shearan | 25/05/2026 | Dave Cook | 23 days |
| Green Hairstreak | Callophrys | rubi | 28/02/2026 | Marina | 13/05/2026 | David Shearan | 75 days |
| Sloe Hairstreak | Satyrium | acaciae | 04/05/2026 | David Shearan | 30/05/2026 | Anne Sordinas | 27 days |
| Purple Hairstreak | Favonius | quercus | - |   | - |   | |
| Ilex Hairstreak | Satyrium | ilicis | 18/05/2026 | Jane Barry | 17/06/2026 | Fradgley | 31 days |
| Blue spot Hairstreak | Satyrium | spini | 06/06/2026 | Liz Weeks | 17/06/2026 | Fradgley | 12 days |
| Little Tiger Blue | Tarucus | balkanicus | - |   | - |   | |
| Geranium Bronze | Cacyreus | marshalli | 12/04/2026 | Sophia | 22/09/2026 | Vic Hitchings | 164 days |
| Long-tailed Blue | Lampides | boeticus | 05/05/2026 | Ken Elsom | 22/09/2026 | Vic Hitchings | 141 days |
| Holly Blue | Celastrina | argiolus | 07/02/2026 | Jane Barry | 23/09/2026 | Vic Hitchings | 229 days |
| Green-underside Blue | Glaucopsyche | alexis | 29/03/2026 | Jane Barry | 13/05/2026 | David Shearan | 46 days |
| Eastern Baton Blue | Pseudophilotes | vicrama | 11/04/2026 | Jane Barry | 11/05/2026 | David Shearan | 31 days |
| Lang's short-tailed Blue | Leptotes | pirithous | 22/04/2026 | Phil Bowler | 17/10/2026 | Giannis Gasteratos | 179 days |
| Small Blue | Cupido | minimus | 05/05/2026 | David Shearan | 05/05/2026 | David Shearan | 1 days |
| Mazarine Blue | Cyaniris | semiargus | 24/04/2026 | Tony Gould | 21/05/2026 | Andy Martin | 28 days |
| Brown Argus | Aricia | agestis | 28/03/2026 | Jane Barry | 19/10/2026 | Chris Little | 206 days |
| Common Blue | Polyommatus | icarus | 25/03/2026 | Jane Barry | 19/10/2026 | Chris Little | 209 days |
| Southern White Admiral | Limenitis | reducta | 07/04/2026 | Jane Barry | 04/10/2026 | Giannis Gasteratos | 181 days |
| Queen of Spain Fritillary | Issoria | lathonia | 27/05/2026 | Dave Cook | 25/07/2026 | Rob Kesseler | 60 days |
| Cardinal | Argynnis | pandora | 21/05/2026 | Andy Martin | 21/09/2026 | Vic Hitchings | 124 days |
| Silver-washed Fritillary | Argynnis | paphia | 24/05/2026 | Anne Sordinas | 04/10/2026 | Giannis Gasteratos | 134 days |
| Painted Lady | Vanessa | cardui | 01/01/2026 | Jane Barry | 19/10/2026 | Chris Little | 292 days |
| Red Admiral | Vanessa | atalanta | 01/01/2026 | Jane Barry | 17/10/2026 | Giannis Gasteratos | 290 days |
| Peacock | Aglais | io | - |   | - |   | |
| Small Tortoiseshell | Aglais | urticae | - |   | - |   | |
| Comma | Polygonia | c | 27/02/2026 | Jane Barry | 03/06/2026 | Dave Cook | 97 days |
| Southern Comma | Polygonia | egea | 07/05/2026 | David Shearan | 22/09/2026 | Vic Hitchings | 139 days |
| Large Tortoiseshell | Nymphalis | polychloros | 18/02/2026 | Jane Barry | 12/04/2026 | Giannis Gasteratos | 54 days |
| Yellow-legged Tortoiseshell | Nymphalis | xanthomelas | 25/02/2026 | Jane Barry | 04/03/2026 | Jane Barry | 8 days |
| Camberwell Beauty | Nymphalis | antiopa | 09/03/2026 | Jane Barry | 10/03/2026 | Jane Barry | 2 days |
| Spotted Fritillary | Melitaea | didyma | 05/05/2026 | Jane Barry | 30/09/2026 | Vic Hitchings | 149 days |
| Glanville Fritillary | Melitaea | cinxia | 19/04/2026 | Jane Barry | 21/05/2026 | Andy Martin | 33 days |
| Eastern Knapweed Fritillary | Melitaea | ornata | 27/04/2026 | Ken Elsom | 27/04/2026 | Ken Elsom | 1 days |
| Nettle-tree Butterfly | Libythea | celtis | 22/02/2026 | Jane Barry | 30/06/2026 | Tony Gould | 129 days |
| Plain Tiger | Danaus | chrysippus | 01/05/2026 | Giannis Gasteratos | 16/10/2026 | Giannis Gasteratos | 169 days |
| Two-tailed Pasha | Charaxes | jasius | 21/05/2026 | Chris Little | 04/10/2026 | Giannis Gasteratos | 137 days |
| Large Wall Brown | Lasiommata | maera | 12/03/2026 | Anne Sordinas | 14/09/2026 | Tony Gould | 187 days |
| Wall Brown | Lasiommata | megera | 08/02/2026 | Jane Barry | 17/10/2026 | Giannis Gasteratos | 252 days |
| Speckled Wood | Pararge | aegeria | 03/02/2026 | Jane Barry | 29/06/2026 | Tony Gould | 147 days |
| Lattice Brown | Kirinia | roxelana | 21/05/2026 | Spergis | 14/09/2026 | Tony Gould | 117 days |
| Small Heath | Coenonympha | pamphilus | 20/03/2026 | Sophia | 30/09/2026 | Vic Hitchings | 195 days |
| Balkan Marbled White | Melanargia | larissa | 02/05/2026 | David Shearan | 30/06/2026 | Tony Gould | 60 days |
| Tree Grayling | Hipparchia | statilinus | - |   | - |   | |
| Eastern Rock Grayling | Hipparchia | syriaca | 30/05/2026 | Anne Sordinas | 23/09/2026 | Vic Hitchings | 117 days |
| Delattin's Grayling | Hipparchia | volgensis | 05/05/2026 | Ken Elsom | 23/09/2026 | Vic Hitchings | 142 days |
| Great Banded Grayling | Brintesia | circe | 17/05/2026 | Jane Barry | 23/09/2026 | Vic Hitchings | 130 days |
| Meadow Brown | Maniola | jurtina | 09/04/2026 | Jane Barry | 19/10/2026 | Chris Little | 194 days |