Small Blue (Cupido minimus)

Male (Has a scattering of blue scales)
Male (Has a scattering of blue scales)
Female (Probably. No blue scales evident)
Female (Probably. No blue scales evident)
Underside
Underside
Probably a female
Probably a female
Mark-release-recapture work underway to discover more about the mobility of this species
Mark-release-recapture work underway to discover more about the mobility of this species
Laying in kidney vetch flower head
Laying in kidney vetch flower head
 
Information

Law: Protection under the Wildlife and Countryside Act 1981.
NERC Act S41: Species of Principal Importance
Local status: Locally common. Generally exists in smallish colonies, but one large colony is known to exist.
Occasionally wanders away from the chalk, especially during the partial second brood. (Can be confused with the Chimney Sweeper moth which flies at the same time).
Size: Small. (Britain's smallest butterfly)
Larval foodplant: The flowers and seed heads of kidney vetch.
No. of broods: Primarily one. A partial second brood may occur.
Flight time(s): Mid-May to late June. A partial second brood may occur in August.
Winter: Fully grown larva hibernates then pupates in spring without further feeding.
Habits: Males perch on low vegetation. Females tend to rest near the Kidney Vetch. Roosts on grasses at night when they are easy to see and record.
Habitats: Only found on disturbed chalk where its sole foodplant grows (but wanderers may be encountered elsewhere)
Distribution:

Normalized Weekly Abundance


Flight time graph


No. of Adults

Number of adults
No. of 1km Squares

Number of 1km squares
No. of Records

Number of records
No. of Adults per record

Adults per record
Percentage of all adults

Percentage of all adults reported (of all species) in each year
Percentage of all records

Percentage of all butterfly records
No. of adults per 10,000 records

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