First sightings of 2018

Which butterflies emerged when?

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

Species 2017 2018
Adonis Blue 29 Apr -
Brimstone 04 Feb 28 Jan
Brown Argus 29 Apr -
Brown Hairstreak 12 Jul -
Chalkhill Blue 06 Jul -
Clouded Yellow 26 Mar 18 Apr
Comma 18 Feb 15 Mar
Common Blue 14 Apr -
Dark Green Fritillary 30 May -
Dingy Skipper 18 Apr -
Duke of Burgundy 23 Apr -
Essex Skipper 26 Jun -
Gatekeeper 13 Jun -
Grayling 18 Jun -
Green Hairstreak 07 Apr -
Green-veined White 03 Apr 14 Apr
Grizzled Skipper 09 Apr 20 Apr
Holly Blue 25 Mar 05 Apr
Large Skipper 24 May -
Large White 30 Mar 17 Apr
Lulworth Skipper 10 May -
Marbled White 04 Jun -
Marsh Fritillary 10 May -
Meadow Brown 24 May -
Orange Tip 28 Mar 14 Apr
Painted Lady 16 Feb 22 Apr
Peacock 19 Jan 12 Jan
Purple Emperor 08 Jul -
Purple Hairstreak 17 Jun -
Red Admiral 04 Jan 05 Jan
Ringlet 10 Jun -
Silver-spotted Skipper 06 Aug -
Silver-studded Blue 03 Jun -
Silver-washed Fritillary 14 Jun -
Small Blue 21 Apr -
Small Copper 27 Mar 18 Apr
Small Heath 18 Apr -
Small Pearl-bordered Fritillary 04 Jun -
Small Skipper 12 Jun -
Small Tortoiseshell 18 Jan 16 Feb
Small White 13 Mar 26 Mar
Speckled Wood 25 Mar 16 Apr
Wall Brown 19 Apr -
White Admiral 14 Jun -
White-letter Hairstreak 15 Jun -
Wood White 26 May -

More data