Chalkhill Blue (Polyommatus coridon)

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Male
Male
Female
Female
Communal feeding on dog faeces. (The two on the left are Common Blue).
Communal feeding on dog faeces. (The two on the left are Common Blue).
Female underside
Female underside
 
Information

Law: Protection under the Wildlife and Countryside Act 1981.
UK BAP status: Not listed
Local status: Locally common. Exists in colonies and only found on Chalk.
Size: Small.
Larval foodplant: Horseshoe Vetch
No. of broods: One
Flight time(s): Early July to end of August.
Winter: Egg (The only Bedfordshire "Blue" that overwinters in this state).
Habits: Likes to feed on Knapweed and Scabious. Males also may feed communally on mammal dung, e.g. dog.
Habitats: Chalk downland only, where turf is short and its sole larval-foodplant grows.
Distribution

No. of Adults

Number of adults per year
No. of 1km Squares

Number of 1km squares per year
No. of Records

Number of records per year
No. of Adults per record

Adults per record per year
No. of adults per 10,000 records

Number of adults in every 10,000 butterfly records (of all species) per year
Percentage of all records

Percentage of all butterfly records<br> per year
Flight Times


Flight time graph
Week no.s