First sightings

Which Dorset butterflies emerged when?

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

Key: Earliest emergence / Latest emergence

Species 2012 2013 2014 2015 2016
Adonis Blue 16 May 06 Jun 04 May 07 May 12 May
Brimstone 11 Jan 18 Feb 09 Jan 08 Jan 17 Jan
Brown Argus 16 May 31 May 03 May 30 Apr 06 May
Brown Hairstreak - 02 Aug 12 Jul 21 Jul 20 Jul
Chalkhill Blue 14 Aug 15 Jul 30 Jun 24 Jun 12 Jul
Clouded Yellow 19 Mar 01 Jun 13 Apr 06 Apr 25 Mar
Comma 10 Mar 05 Mar 08 Mar 18 Mar 14 Mar
Common Blue 08 May 17 May 11 Apr 19 Apr 06 May
Dark Green Fritillary 26 Aug 25 Jun 08 Jun 06 Jun 27 Jun
Dingy Skipper 22 Apr 07 May 15 Apr 17 Apr 28 Apr
Duke of Burgundy 22 May 22 May 03 May 12 May 13 May
Essex Skipper - 12 Jul 21 Jun 24 Jun 06 Jul
Gatekeeper 17 Jul 11 Jul 28 Jun 24 Jun 25 May
Grayling 13 Aug 08 Jul 29 Jun 24 Jun 05 Jul
Green Hairstreak 19 May 04 May 10 Apr 13 Apr 09 Apr
Green-veined White 10 Mar 23 Apr 01 Apr 08 Apr 11 Apr
Grizzled Skipper 28 Mar 02 May 15 Apr 16 Apr 20 Apr
Holly Blue 23 Mar 06 Apr 08 Mar 06 Apr 12 Apr
Large Skipper 02 Jun 25 Jun 26 May 28 May 26 May
Large White 25 Mar 17 Apr 13 Apr 05 Apr 31 Mar
Long-tailed Blue - - - 29 Aug 12 Sep
Lulworth Skipper 10 Aug 16 Jul 21 May 21 May 27 May
Marbled White 13 Jun 01 Jul 08 Jun 11 Jun 07 Jun
Marsh Fritillary 22 May 25 May 06 May 04 May 08 May
Meadow Brown 12 May 19 Jun 01 Jun 04 Jun 14 May
Monarch 05 Sep - - 01 Aug -
Orange Tip 15 Mar 06 Apr 30 Mar 19 Mar 11 Apr
Painted Lady 30 Apr 01 Jan 01 Mar 11 Apr 03 Jan
Peacock 06 Jan 01 Jan 02 Jan 09 Jan 15 Feb
Purple Emperor - 18 Jul 05 Jul 18 Jul 13 Jul
Purple Hairstreak 05 Aug 11 Jul 22 Jun 01 Jul 22 Jun
Red Admiral 02 Jan 01 Jan 08 Jan 02 Jan 06 Jan
Ringlet 13 Jun 26 Jun 20 Apr 21 May 16 Jun
Silver-spotted Skipper - 08 Aug 30 Jul 08 Aug 06 Aug
Silver-studded Blue 19 Jun 09 Jun 08 Jun 08 Jun 06 Jun
Silver-washed Fritillary 05 Aug 06 Jul 15 Jun 24 Jun 21 Jun
Small Blue 24 Apr 22 May 06 May 28 Apr 23 Apr
Small Copper 08 Apr 26 May 30 Mar 12 Apr 18 Apr
Small Heath 08 May 18 May 29 Apr 29 Apr 06 May
Small Pearl-bordered Fritillary - 19 Jun 07 Jun 13 Jun 10 Jun
Small Skipper 17 Jul 09 Jun 13 Jun 08 Jun 20 Jun
Small Tortoiseshell 04 Mar 17 Feb 09 Jan 02 Jan 06 Jan
Small White 10 Mar 16 Apr 01 Mar 22 Mar 10 Mar
Speckled Wood 21 Feb 27 Apr 07 Feb 06 Mar 25 Mar
Swallowtail - 31 May 02 Jul 15 Aug -
Wall Brown 22 Apr 17 May 14 Apr 19 Apr 17 Apr
White Admiral - 09 Jul 18 Jun 24 Jun 21 Jun
White-letter Hairstreak - 05 Jul 14 Jun 25 Jun 02 Jul
Wood White 02 Jun 09 Jun - - -