First sightings of 2020

Which butterflies emerged when?

These are the earliest dates on which each species of adult butterfly was reported to the website.

Species 2019 2020
Brimstone 14 Feb 19 Jan
Comma 14 Feb 19 Jan
Peacock 01 Jan 05 Jan
Red Admiral 01 Jan 02 Jan
Small Tortoiseshell 13 Jan 19 Jan
Adonis Blue 08 May -
Brown Argus 20 Apr -
Brown Hairstreak 20 Jul -
Chalkhill Blue 14 Jul -
Clouded Yellow 24 Feb -
Common Blue 29 Apr -
Dark Green Fritillary 14 Jun -
Dingy Skipper 19 Apr -
Duke of Burgundy 04 May -
Essex Skipper 14 Jun -
Gatekeeper 28 Jun -
Glanville Fritillary 01 Jun -
Grayling 27 Jun -
Green Hairstreak 15 Apr -
Green-veined White 24 Mar -
Grizzled Skipper 19 Apr -
Holly Blue 12 Feb -
Large Skipper 26 May -
Large Tortoiseshell 24 Feb -
Large White 24 Mar -
Long-tailed Blue 03 Aug -
Lulworth Skipper 11 May -
Marbled White 05 Jun -
Marsh Fritillary 06 May -
Meadow Brown 30 May -
Orange Tip 24 Mar -
Painted Lady 09 Jan -
Purple Emperor 10 Jul -
Purple Hairstreak 20 Jun -
Ringlet 18 Jun -
Silver-spotted Skipper 28 Jul -
Silver-studded Blue 01 Jun -
Silver-washed Fritillary 26 Jun -
Small Blue 04 May -
Small Copper 26 Mar -
Small Heath 19 Apr -
Small Pearl-bordered Fritillary 09 Jun -
Small Skipper 01 Jun -
Small White 24 Mar -
Speckled Wood 24 Mar -
Swallowtail 05 Aug -
Wall Brown 13 Apr -
White Admiral 26 Jun -
White-letter Hairstreak 24 Jun -

More data