You are here

Click the pic!

To aid users of mobile devices as well as those with a mouse or laptop finger pad this site uses a simple image-based menu system. Virtually every picture you see (images and photos) are links to more information arranged in a sort of top-down structure. See an image, click or tap on it to open a new page.

Common Blue

[Click the name of the species to go to the main information page for this species.]
Common Name Common Blue
Scientific Name Polyommatus icarus
Interest Level
Related Species Lycaenid Butterflies (Blues and Hairstreaks)
Look for
Habitat Reference

A common species seen from early June until late October. It likes rough, open ground (especially chalk downland) where they can find an abundance leguminous flowers. 


Contributors to the Nature of Dorset have seen this species at these locations:

Please note that the markers show APPROXIMATE locations of the observation, not exact locations! You can find often find out more information about location by looking at the original tweet. Click on any marker to see the name of the location and then click on the location name to see more details about the site where available.

This chart shows the number of records per site for this species. Hover over any column to see the site and the number of records:

This chart shows the number of records per month for this species where there are records (see note below):

The intention of this chart is to show which months during the year this species is most likely to be seen. The total per month is across all years; to see the total for a particular year select that year in the filter at the top.

This chart shows the number of records per day for this species for up to the last 30 days for which there are records for this species (see note above). Hover over any column to see the date and the number of records:

These contributors have submitted records for this species:

Displaying 1 - 15 of 15

These are some photographs of this species that have accompanied tweets from Twitter contributors. Click/tap a photo to see the original version.

Displaying 1 - 8 of 8
Photo taken pre 2011. Identifying features of the commkon blue are the overall blue colouring, the...
Contributed By:
Photo taken pre 2011. This shows the very different underside of the wings
Contributed By:
Tweet Date:
14/05/2017 - 16:15
Contributed By:

Common blue on ragged robin and the first Southern marsh orchids in flower #summer

Tweet Date:
18/05/2017 - 13:30
Contributed By:
Common Blue today Powerstock Common Dorset. @savebutterflies @BC_Dorset @NatureUK
Tweet Date:
25/05/2017 - 22:15
Contributed By:
Female Common Blue at Longham Lakes, an under-rated butterfly
Tweet Date:
10/07/2017 - 18:15
Contributed By:
Common Blue, Longham Lakes
Tweet Date:
12/07/2017 - 17:15
Contributed By:
Even caught up with Common Blue in the garden second time this year, also managed to get the Gatekeepers.
Tweet Date:
16/07/2017 - 19:15
Contributed By:

The original tweets from which these records have been derived:

You can use the filters to select tweets for this species at a specific location, from a specific contributor and for any month and/or year. You can use these filters individually or in conjunction with each other.

Displaying 1 - 25 of 25
Record Datesort ascending Recorded at Recorded by Tweet
14/10/2017 - 17:51 Peter Robertson

A gorgeous common blue #butterfly still on the wing today at Seacombe on the #Purbeck coast today @BC_Dorset

19/09/2017 - 09:28 Andrew Cooper

A male Common Blue (Polyommatus icarus) still flying at Ballard Down in Dorset, looking fresh apart from minor wing…

01/09/2017 - 14:21 Andy Martin

Queens of Blue lovely female Common & Adonis Blue @ Durlston CP this morning ☺ @savebutterflies @BC_Dorset…

30/08/2017 - 09:49 Lulworth Rangers

Butterflies yesterday - Adonis, C'hill & Com blue, Med Brown, Marb White, Sm Heath, L & S White, P Lady, Sm Tort, Red A, & Sp Wood.

17/08/2017 - 09:05 Retweet RT @neilthilton: Small Copper, Painted Lady, Common Blue, Purple Hairstreak! Plus loads more butterflies at @BC_Dorset Alners Gorse. What a…
24/07/2017 - 20:30 Dorset Wildlife Trust Wildlife walk today: Common Blue, Red Admiral & Painted Lady! @DorsetWildlife @wildlife_skills @BC_Dorset…
21/07/2017 - 16:30 Dorset Wildlife Trust Lovely Common Blue butterfly spotted @ Lorton Meadows during a break in the rain #DWTWey #Butterflycount 🦋
16/07/2017 - 19:15 Nick Hull Even caught up with Common Blue in the garden second time this year, also managed to get the Gatekeepers.
16/07/2017 - 16:45 Two Owls Birding Common Blue, Grayling, Peacock, Red Admiral, 6spot Burnets, Gatekeeper #ButterflyCount #lytchettbaywildlife
13/07/2017 - 12:15 Nick Hull Hooray just had first male Common Blue of the year in the garden. #LytchettBayWildlife
12/07/2017 - 17:15 Ian Ballam Common Blue, Longham Lakes
10/07/2017 - 18:15 Ian Ballam Female Common Blue at Longham Lakes, an under-rated butterfly
06/06/2017 - 18:45 Ian Ballam A blue, Common Blue maybe?? Hatch Pond
26/05/2017 - 19:15 Retweet RT @RachJBC: Challow Hill, near corfe, is busy with Adonis and Common Blues today, this Green tiger beetle also paid me a visit whilst surv…
26/05/2017 - 17:30 Andy Martin Ulwell lay-by good numbers of Adonis & Common Blue mud-puddling not bad for UK @savebutterflies @DorsetWildlife…
25/05/2017 - 22:15 Pam Parsons Common Blue today Powerstock Common Dorset. @savebutterflies @BC_Dorset @NatureUK
24/05/2017 - 15:45 Andy Martin Durlston NNR today Common Blue numbers building appears mostly male at this time @BC_Dorset @NatureUK…
24/05/2017 - 10:45 Durlston Ranger Fantastic morning with Small Blue, Adonis Blue and Common Blue all seen while I looking across towards the beautiful calm sea.
22/05/2017 - 19:00 Bob Ford Lots of small blues by the Weymouth Relief Road this afternoon, also this dingy skipper. See full species list at…
18/05/2017 - 13:30 Hamish Murray

Common blue on ragged robin and the first Southern marsh orchids in flower #summer

14/05/2017 - 18:15 Peter Orchard Small copper, common blue and speckled wood at Slepe heath toady
14/05/2017 - 18:00 Andrew Cooper A pair of Common Blues (Polyommatus icarus) enjoying the sunshine on the chalk download slopes of Cerne Abbas in…
14/05/2017 - 16:15 Retweet RT @birdygirl46: @BC_Dorset Lovely day at Cerne Abbas Hill, bit windy! @AmandaH782 @m0vfgpatrick @JoKingDevon
07/05/2017 - 22:15 Retweet RT @DHelliar: First day back on Dorset patch gave 2 Dingy Skipper & 1 Common Blue, amongst 6 species seen. 3 Reed Warbler & 3+ Garden Warbl…
17/04/2017 - 10:45 Dom Greves RT @domgreves: First Common Blue butterfly reported to @BC_Dorset website, seen 14 April on Portland.